Specification:
Item Type: Water Check Valve
Product Material: PVC
Product Package: Bag
Product Color: Red
Product Size: Single length about 5.5cm/2.2in
Application: Air inlet/outlet pressure gauge tube: Approx. 4mm/0.16in
Features:
1Made of high quality material, sturdy and durable, convenient and easy to use. 2Function: Prevent the damage of the front-end air pump or other equipment caused by water backflow when the air pump is placed below the water surface. 3Built to strict quality control standards, design improved for more durability. 4Adopting high specification craft, perfect combination of economy and high quality. 5Reliable to use, long service life, not easy to damage, and you can use for a long time.
Package List:
20 x Water Check Valves