Products

Suppliers
Filter Gallery
117,619

Ball Filter

Products
Valves Industrial Valve Water Treatment Equipment Water Filters Sewage Treatment Plant Water Treatment

Sorry! No matches were found.

Sinft Supply Replacement Ball Fiber Glass 1450023 Maritime Industrial Hydraulic Oil Filter Element

Sinft Supply Replacement Ball Fiber Glass 1450023 Maritime Industrial Hydraulic Oil Filter Element

US $ 60-65 / Piece FOB
10 Pieces (MOQ)
More
Main Products: Filter, Filter Element, High Pressure Filter Elements, Hydraulic Filter Elements, Stainless Steel Filter Element, Replacement Brand Filter Element, Oil Purifier, Pipeline Basket Strainer
Contact Supplier
Audited Supplier
Hebei Sinft Filter Co., Ltd.

Hebei, China Since 2024
Chat Now Send Inquiry
2500 Gallons of Filtration Removes Hundreds of Contaminants for Softer Bath Ball Filter-8 Stages Bathtub Water Filter

2500 Gallons of Filtration Removes Hundreds of Contaminants for Softer Bath Ball Filter-8 Stages Bathtub Water Filter

US $ 4.15-5 / Piece FOB
100 Pieces (MOQ)
More
Water Outlet : rainfall
Contact Supplier
Audited Supplier
Ningbo Qili Kitchen and Bath Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2023
Chat Now Send Inquiry
Starmatrix 40W Aqualoon Filter Ball Sand Filter

Starmatrix 40W Aqualoon Filter Ball Sand Filter

300 Pieces (MOQ)
More
Main Products: Swimming Pool, Pool Filter, Solar Shower, Solar Heater, Pool Pump, Faucet, Hose Reel, Paint Brush, Paint Roller, Grease Gun
Contact Supplier
Audited Supplier
Starmatrix Group Inc.

Jiangsu, China Since 2021
Chat Now Send Inquiry
Aquarium Bacteria House Filter Media Ceramic Bio Bacteria Ball Aquarium Water Filter

Aquarium Bacteria House Filter Media Ceramic Bio Bacteria Ball Aquarium Water Filter

US $ 10-15 / kg FOB
1,000 kg (MOQ)
More
Purity : ＜95%
Contact Supplier
Audited Supplier
Pingxiang Rongjian Environmental Protection Chemical Packing Co., Ltd

Jiangxi, China Since 2024
Chat Now Send Inquiry
[Nw-RO50-A1m] Home RO Water Filter with Mineral Ball Cartridge

[Nw-RO50-A1m] Home RO Water Filter with Mineral Ball Cartridge

20 Pieces (MOQ)
More
Main Products: Water Purifier, Reverse Osmosis System, Water Softener, Control Valve
Contact Supplier
Audited Supplier
Yuyao Yadong Plastic Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2009
Chat Now Send Inquiry
Screw Separator Air Filters with 16 Bar External Auto Ball Type Drain

Screw Separator Air Filters with 16 Bar External Auto Ball Type Drain

US $ 52-59 / pieces FOB
1 pieces (MOQ)
More
Filter Number : 1
Contact Supplier
Audited Supplier
Shanghai Sunwin Industry Co., Ltd.

Trading Company

Shanghai, China Since 2024
Chat Now Send Inquiry
Poriferous Ball-Shaped Suspend Packing Plastic Bio Ball Filter

Poriferous Ball-Shaped Suspend Packing Plastic Bio Ball Filter

US $ 110-350 / Cubic Meter FOB
1 Cubic Meter (MOQ)
More
Main Products: Tower Packing, Tower Internals, VOCs, Water Treatment Product
Contact Supplier
Audited Supplier
Pingxiang Fxsino Petrochemical Packing Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangxi, China Since 2006
Chat Now Send Inquiry
Modified Fiber Ball Filter for Water Purification

Modified Fiber Ball Filter for Water Purification

US $ 3-5 / kg FOB
1 kg (MOQ)
More
Quality : Industrial
Contact Supplier
Audited Supplier
Ningxia Baiyun Carbon Co., Ltd.

Manufacturer/Factory

Ningxia, China Since 2019
Chat Now Send Inquiry
On Sale Filter Water Ceramic Balls Garden Leca Balls Clay Pebbles

On Sale Filter Water Ceramic Balls Garden Leca Balls Clay Pebbles

US $ 2.5-2.8 / Piece FOB
800 Pieces (MOQ)
More
Main Products: Rockwool Cubes/Plugs/Slabs, Expanded Clay Pebbles/ Leca/Clay Balls, Expanded Perlite/Vermiculite, Fabric Grow Bags, Seeding Trays, Hydroponic Grow Sponges, Lave Stone/ Pumice Stone/Pebbles Stone, Garden Edging, Garden Tools, Pet Products
Contact Supplier
Audited Supplier
Alusen(Dalian)Gardening Co., Ltd

Liaoning, China Since 2025
Chat Now Send Inquiry
Premium Alkaline Ball Water Filter Ball for Drinking Drinking Water Treatment System

Premium Alkaline Ball Water Filter Ball for Drinking Drinking Water Treatment System

US $ 1.4 / kg FOB
100 kg (MOQ)
More
Type : Industrial Circulating Water Treatment Agent
Contact Supplier
Audited Supplier
Shanxi Qingke Activated Carbon Technology Co., ltd.

Trading Company

Shanxi, China Since 2024
Chat Now Send Inquiry
Magnetic Temperature Ball Valve with Strainer Filter

Magnetic Temperature Ball Valve with Strainer Filter

200 Pieces (MOQ)
More
Main Products: Gate Valves, Brass Ball Valves, Check Valves, Globe Valves, Butterfly Valves, Strainer, Safe Valves, Medical Gas Ball Valve, Medical Gas Isolation Ball Valve, Medical Gas Check Valves
Contact Supplier
Audited Supplier
TAIZHOU EASTAR TECHNOLOGY CO., LTD.

Zhejiang, China Since 2010
Chat Now Send Inquiry
Steel Circulating Water Side Stream Fiber Ball Automatic Self Cleaning Filter Industrial Sewage Oil Removal Fully Automatic Backwash Equipment

Steel Circulating Water Side Stream Fiber Ball Automatic Self Cleaning Filter Industrial Sewage Oil Removal Fully Automatic Backwash Equipment

US $ 900-1,000 / Piece FOB
1 Piece (MOQ)
More
Usage : Environmental Protection
Contact Supplier
Audited Supplier
Yixing Xuyang Environmental Protection Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2024
Chat Now Send Inquiry
Related Searches
Ball Valve Filter Valve Brass Valve Wholesale Ball Filter Filter Ball Valve With Filter
Ball Valve Industrial Water Filter Reverse Osmosis System Sewage Treatment Equipment Ceramic Ball Air Filter
Floating Ball Valve Trunnion Mounted Ball Valve Split Body Ball Valve Top Entry Ball Valve Three-Way Ball Valve Four-Way Ball Valve
Hollow Bio Ball Filter Media for Hang on Filtration

Hollow Bio Ball Filter Media for Hang on Filtration

US $ 728-955 / Ton FOB
1 Ton (MOQ)
More
Main Products: Aquarium Supplies, Reptile Supplies, Aquaculture Supplies, Pet Supplies, Aquarium Filter, Aquarium Light, Aquarium Soil, Aquarium Pump, Reptile Light, Bio Filter Media
Contact Supplier
Audited Supplier
Bests Industrial and Trading Co., Ltd

Anhui, China Since 2023
Chat Now Send Inquiry
Hidrotek Far Infrared Mineral Ball Filter for Water Purifier

Hidrotek Far Infrared Mineral Ball Filter for Water Purifier

US $ 0.2-10 / Piece FOB
100 Pieces (MOQ)
More
Operating Principle : Activated Carbon
Contact Supplier
Audited Supplier
Ningbo Hidrotek Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2009
Chat Now Send Inquiry
Plastic Sintered Porous Filters Microporous Sinter PE PTFE Media Filter with Plate Tube Ball Round Ring Shape

Plastic Sintered Porous Filters Microporous Sinter PE PTFE Media Filter with Plate Tube Ball Round Ring Shape

US $ 0.01-4 / Piece FOB
1,000 Pieces (MOQ)
More
Main Products: Water Treatment Plant, Filter Cartridge
Contact Supplier
Audited Supplier
Guangzhou Lvyuan Water Purification Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2022
Chat Now Send Inquiry
Filtration Ball Filter Material High Efficiency Oil Removal Water Treatment in Refinery

Filtration Ball Filter Material High Efficiency Oil Removal Water Treatment in Refinery

US $ 1.65-1.86 / kilograms FOB
100 kilograms (MOQ)
More
Pattern : Plain
Contact Supplier
Audited Supplier
Tianjin Lh Technology Co., Ltd.

Tianjin, China Since 2024
Chat Now Send Inquiry
Refractories Industrial Pump Ball Tube Mechanical Porous Plate Black Silicon Carbide Zirconia Ceramic Product Seal Ring Foam Filter for Metal Steel Casting

Refractories Industrial Pump Ball Tube Mechanical Porous Plate Black Silicon Carbide Zirconia Ceramic Product Seal Ring Foam Filter for Metal Steel Casting

US $ 0.5-40 / Piece FOB
1 Piece (MOQ)
More
Main Products: Refractory Bricks, Magnesia Brick, Insulating Bricks, Ceramic Fiber Products, Bio-Soluble Fiber Products, Polycrystalline Fiber Products, Calcium Silicate Products, Refractory Castable, Insulating Castable, Ceramic Foam Filter
Contact Supplier
Audited Supplier
Qingdao Laurent New Materials Co., Ltd

Shandong, China Since 2024
Chat Now Send Inquiry
Ceramic Foam Filter China Foam Ball Filter Suppliers Aquarium Porous Ceramic Filter Media Ceramic Foam Filter Zirconia Ceramic Foam Filter

Ceramic Foam Filter China Foam Ball Filter Suppliers Aquarium Porous Ceramic Filter Media Ceramic Foam Filter Zirconia Ceramic Foam Filter

US $ 1.5-3 / Piece FOB
1,000 Pieces (MOQ)
More
Application : Refractory
Contact Supplier
Audited Supplier
BAODING NINGXIN GROUP CO., LTD.

Hebei, China Since 2025
Chat Now Send Inquiry
Reliable Packing Solutions: Suspended Ball Filter for Wastewater Treatment Plants

Reliable Packing Solutions: Suspended Ball Filter for Wastewater Treatment Plants

US $ 2.5 / Piece FOB
1 Piece (MOQ)
More
Main Products: Submersible Mixer, Submersible Pusher, Vertical Mixer, Low Carbon Intelligent Integration, Non-standard Equipment
Contact Supplier
Audited Supplier
Nanjing Lanling Environmental Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2019
Chat Now Send Inquiry
Multi-Media Filter, Pipe Multi-Media Fiber Ball Filter

Multi-Media Filter, Pipe Multi-Media Fiber Ball Filter

US $ 1,000 / Piece FOB
1 Piece (MOQ)
More
Motive Force : Pressure
Contact Supplier
Audited Supplier
Shenzhen Hengrong Water Treatment Equipment Co., Ltd

Guangdong, China Since 2024
Chat Now Send Inquiry
Related Videos
  • What is Sinft Supply Replacement Ball Fiber Glass 1450023 Maritime Industrial Hydraulic Oil Filter Element
    What is Sinft Supply Replacement Ball Fiber Glass 1450023 Maritime Industrial Hydraulic Oil Filter Element
    US $ 60-65 /Piece
    10 Pieces (MOQ)
    Contact Supplier
  • What is 2500 Gallons of Filtration Removes Hundreds of Contaminants for Softer Bath Ball Filter-8 Stages Bathtub Water Filter
    What is 2500 Gallons of Filtration Removes Hundreds of Contaminants for Softer Bath Ball Filter-8 Stages Bathtub Water Filter
    US $ 4.15-5 /Piece
    100 Pieces (MOQ)
    Contact Supplier
  • What is Starmatrix 40W Aqualoon Filter Ball Sand Filter
    What is Starmatrix 40W Aqualoon Filter Ball Sand Filter
    Negotiable
    300 Pieces (MOQ)
    Contact Supplier
  • What is Aquarium Bacteria House Filter Media Ceramic Bio Bacteria Ball Aquarium Water Filter
    What is Aquarium Bacteria House Filter Media Ceramic Bio Bacteria Ball Aquarium Water Filter
    US $ 10-15 /kg
    1,000 kg (MOQ)
    Contact Supplier
Wcb CF8 CF8m Pn16-Pn64 Y Type Internal Thread Filter Ball Valve

Wcb CF8 CF8m Pn16-Pn64 Y Type Internal Thread Filter Ball Valve

US $ 10-100 / Set FOB
2 Sets (MOQ)
More
Main Products: Valve, Fire Hydrant, Flange, Pipe Fitting, Strainer, Rubber Joint, Mud Box
Contact Supplier
Audited Supplier
QINGDAO I-FLOW CO., LTD.

Trading Company

Shandong, China Since 2020
Chat Now Send Inquiry
High Quality Activated Carbon Mixed with Potassium Permanganate Balls with ABS Frame Air Filter Ne Tech Factory Price

High Quality Activated Carbon Mixed with Potassium Permanganate Balls with ABS Frame Air Filter Ne Tech Factory Price

US $ 30.64-58.98 / Piece FOB
1 Piece (MOQ)
More
Filtration Grade : HEPA Filter
Contact Supplier
Audited Supplier
Xinxiang North Filter Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2017
Chat Now Send Inquiry
China Factory Manufacturing Ceramic Foam Balls and Filters with Different Sizes

China Factory Manufacturing Ceramic Foam Balls and Filters with Different Sizes

100 pieces (MOQ)
More
Main Products: Alumina Ceramic Filter Plate
Contact Supplier
Audited Supplier
Pingxiang Hengsheng Special Material Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangxi, China Since 2022
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

About Ball Filter FAQ

  • QWhat materials are commonly used in the manufacture of ball valves?

    The Ball Filter is an essential part of our Ball Valve offerings.Ball valves are commonly made from materials such as stainless steel, brass, and PVC. These materials offer durability, corrosion resistance, and functionality. A reputable supplier can advise on the best material choice for specific applications.

  • QHow can I find reliable suppliers for ball valves in China?

    The Ball Filter is an essential part of our Ball Valve offerings.To find reliable ball valve suppliers in China, consult industrial directories, attend trade exhibitions, and utilize online resources for research. Look for suppliers with certifications, positive reviews, and a history of high-quality products to ensure reliability.

  • QWhat are the advantages of purchasing ball valves wholesale?

    Our Ball Filter offers exceptional quality within the Ball Valve category.Wholesale purchase of ball valves provides cost advantages, bulk availability, and consistent quality assurance. Wholesale orders often come with customization options, technical support, and efficient logistics, making it a convenient and economical choice for businesses.

Wire Mesh Tea Infuser, Tea Maker, Perfect Pincer, Tea Ball Filter

Wire Mesh Tea Infuser, Tea Maker, Perfect Pincer, Tea Ball Filter

US $ 2.5-3 / Piece FOB
1,000 Pieces (MOQ)
More
Material : Stainless Steel Wire
Contact Supplier
Audited Supplier
ANPING HUANSI WIRE MESH PRODUCTS CO., LTD.

Hebei, China Since 2016
Chat Now Send Inquiry
1/2" 16bar Floating Ball Condensate Auto Drain for Air Filter Air Dryer Aok20b Had20b Auto Drain for Air Filter

1/2" 16bar Floating Ball Condensate Auto Drain for Air Filter Air Dryer Aok20b Had20b Auto Drain for Air Filter

US $ 5-9 / Piece FOB
2 Pieces (MOQ)
More
Main Products: Filter, Car Filter, Construction Machinery, Air Filter, Oil Filter, Color Sorter and Parts, Separator Flter, Hydraulic Filter, Air Compressor, Air Compressor Kits
Contact Supplier
Audited Supplier
NPCC CO., LIMITED

Anhui, China Since 2011
Chat Now Send Inquiry
Hot Tub Chemical Mineral Box SPA Purity Mineral Water Swimming Pool Filter Cartridge Balls Water Treatment Filter

Hot Tub Chemical Mineral Box SPA Purity Mineral Water Swimming Pool Filter Cartridge Balls Water Treatment Filter

US $ 2.43-2.76 / Piece FOB
1,000 Pieces (MOQ)
More
Control Way : Hand
Contact Supplier
Audited Supplier
Ningbo Bonny E-Home Co., Ltd.

Zhejiang, China Since 2025
Chat Now Send Inquiry
Car Wash Accessories Gravity Ball with Filter for Snow Foam Lance Pipette Foam Cannon 304 Stainless Steel Filter

Car Wash Accessories Gravity Ball with Filter for Snow Foam Lance Pipette Foam Cannon 304 Stainless Steel Filter

US $ 0.9 / pieces FOB
10 pieces (MOQ)
More
Main Products: Foam Cannon, Snow Foam Lance, High Pressure Spray Gun, Extension Wand, Adapter&Nozzle, Pressure Washer Undercarriage Cleaner, Tornado Gun
Contact Supplier
Audited Supplier
Wuxi Shandun Technology Co., Ltd.

Jiangsu, China Since 2024
Chat Now Send Inquiry
Alkaline Mineral Balls Water Filter Tourmaline Ceramic Ball

Alkaline Mineral Balls Water Filter Tourmaline Ceramic Ball

US $ 0.5-1 / kg FOB
100 kg (MOQ)
More
Certification : ISO9001
Contact Supplier
Audited Supplier
Ningbo Eonjoy International Trade Co., Ltd.

Trading Company

Zhejiang, China Since 2017
Chat Now Send Inquiry
304 Stainless Steel Tea Set /Tea Ball Strainer/Coffee Strainer Diffuser/Tea Balls Filter Infusers/Tea Leak Tea Ball

304 Stainless Steel Tea Set /Tea Ball Strainer/Coffee Strainer Diffuser/Tea Balls Filter Infusers/Tea Leak Tea Ball

US $ 0.4-0.8 / Piece FOB
100 Pieces (MOQ)
More
Main Products: CNC Machining, Bathroom Hardware Fittings, Kitchenware, Stainless Steel Parts, Auto Parts, Machinery Parts, Sanitary Ware, Barn Door Hardware, Guitar Parts, CNC Machine Parts
Contact Supplier
Audited Supplier
Shenzhen Vibetop Technology Co., Ltd.

Guangdong, China Since 2015
Chat Now Send Inquiry
High Temperature Ball Valve Gas Filter Gas Filtration & Purification

High Temperature Ball Valve Gas Filter Gas Filtration & Purification

1 Piece (MOQ)
More
Certification : ISO9001
Contact Supplier
Audited Supplier
Shenzhen Jewellok Technology Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2025
Chat Now Send Inquiry
Industrial Cooling Electrical Cabinet Ventilation Filter and Fan Combination with Ball Bearing

Industrial Cooling Electrical Cabinet Ventilation Filter and Fan Combination with Ball Bearing

US $ 6-6.4 / Piece FOB
300 Pieces (MOQ)
More
Main Products: Axial Cooling Fan, Panel Heater, Automatic Temperature Controller, Centrifugal Fan, Panel Blocks
Contact Supplier
Audited Supplier
Wenzhou Xituo Electrical Co., Ltd

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2024
Chat Now Send Inquiry
PP PVDF PE Plastic Tri Pack Ball 25mm 50mm Plastic Tri Pack Filter as Water Treatment

PP PVDF PE Plastic Tri Pack Ball 25mm 50mm Plastic Tri Pack Filter as Water Treatment

US $ 147-250 / M3 FOB
10 M3 (MOQ)
More
Structure Feature : Floating Ball Filler
Contact Supplier
Audited Supplier
Pingxiang Bestn Chemical Packing Co., Ltd.

Jiangxi, China Since 2017
Chat Now Send Inquiry
Shower Filter with Negative Ion Balls (RY-69)

Shower Filter with Negative Ion Balls (RY-69)

US $ 4-4.5 / Piece FOB
1,000 Pieces (MOQ)
More
Main Products: Water Filter, Water Purifier, Reverse Osmosis System, Mineral Pot, Filter Housing
Contact Supplier
Audited Supplier
Ningbo Yinyue Electric Appliance Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2003
Chat Now Send Inquiry
Plastic PP Igel Ball Hedgehog Ring Bio Filter Media Bio Balls for Fish Farm Pond and Aquarium Filter

Plastic PP Igel Ball Hedgehog Ring Bio Filter Media Bio Balls for Fish Farm Pond and Aquarium Filter

US $ 150-170 / CBM FOB
1 CBM (MOQ)
More
Usage : Industrial, Home, Agriculture, Hospital
Contact Supplier
Audited Supplier
Hangzhou Nihao Environmental Tech Co., Ltd.

Zhejiang, China Since 2022
Chat Now Send Inquiry
Stainless Steel Ball Tea Net Filter Nethook Loose Tea Fragrance Home Kitchen Supplies

Stainless Steel Ball Tea Net Filter Nethook Loose Tea Fragrance Home Kitchen Supplies

US $ 0.1 / Piece FOB
500 Pieces (MOQ)
More
Main Products: Homeware, Kitchenware, Plastic Stainless Steel Products, Silicone Houseware, Scissors
Contact Supplier
Audited Supplier
Yangjiang Jinqi Household Products Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
6 Stage RO Water Filter with Mineral Ball

6 Stage RO Water Filter with Mineral Ball

US $ 58 / Piece FOB
100 Pieces (MOQ)
More
Certification : RoHS, CE
Contact Supplier
Audited Supplier
Ningbo Keman Environmental Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2013
Chat Now Send Inquiry
View More

Related Searches

Mineral Ball Filter Brass Filter Ball Valve Thread Valve Reverse Osmosis Mechanical Filter Thread Ball Valve Industrial Recycling Treatment Wastewater Treatment Plants Forged Brass Ball Valve Effluent Treatment

You may also like

Ball Product Two Ball Filter Media Water Filter System y filter filter products

Browse by Categories

Home > Industrial Equipment & Components > Valve > Ball Valve > Floating Ball Valve
1/834
TOP

Search Filter

Categories

More Less
  • Ball Valve
  • Industrial Water Filter
  • Reverse Osmosis System
  • Sewage Treatment Equipment
  • Ceramic Ball
  • Air Filter
  • Filter Element
  • Oil Filter
  • Swimming Pool Sand Filter
  • Compressor Parts

Certification

More Less
  • CE
  • GS
  • RoHS
  • UR
  • LFGB
  • CB
  • SASO
  • EMF
  • EMC
  • CSA
  • UL

Motive Force

More Less
  • Pressure
  • Electric power
  • Gravity
  • Vacuum

Performance

More Less
  • Efficient Filtration
  • Sophisticated Filters
  • Alkali

Style

More Less
  • Tube
  • Vertical
  • Network Type
  • Plate and Frame
  • Drum

Type

More Less
  • Reverse Osmosis
  • Ozone Water Purifier
  • Activated Carbon
  • Conditioner
  • Distiller

Company Type

More Less
  • Trading Company
  • Manufacturer/Factory
  • Group Corporation
  • Individuals/SOHO
  • Other

Company Location

More Less
  • Zhejiang
  • Jiangsu
  • Shandong
  • Guangdong
  • Henan
  • Shanghai
  • Jiangxi
  • Hebei
  • Hubei
  • Fujian
  • Hunan
  • Jilin
  • Anhui
  • Tianjin
  • Sichuan
  • Beijing
  • Shanxi
  • Shaanxi
  • Ningxia
  • Liaoning
  • Chongqing
  • Guangxi
  • Guizhou
  • Hongkong S.A.R.
  • Hainan
  • Taiwan, China
  • Yunnan
  • Inner Mongolia
Reset Done