1 Set Good Sealing Water Dispenser Plug With Hose Dust Plug Office Supplies

Label:Yes Package Include:1 Set Water Dispenser Sealed Filter Size:As Shown Material:Plastic Name:Water Dispenser Sealed Filter Color:As Shown

Description: There is a built-in cartridge in this dust plug to balance the air pressure inside the bucket to prevent bucket deformation. With its valve-type handle, it is easy to use and effortless to install. Featuring a good seal performance, this dust plug prevents soot, dust or insects from falling into the bucket of water. It is used for barrel water bottle.