Description
- Package include : 15 pcs of check valve ;
- Suitable hose : 3/16'' standard airline tubing ;
- Use : Connected in series between air tubing and air stone to prevent the backflow of water.
- Installation attention : Outlet direction is marked on the valve,please pay attention when you install them.
BASE WAVEAquarium Fish Tank Air Pump Check Valve Non-Return Valve (Pack of 15) for 3/16'' Air Tubing