100 PCS Aquarium Non-Return Check Valves Air Pump Line

Description

Description :
100 Pieces of Non-Return Plastic Aquarium Air Pump Check Valves
Specially designed Non-Return Valves will protect you air pump by preventing aquarium water from back siphoning during a power outage.
They are made of plastic material for long time use.
Place these Air Pump Check Valves in your airline tubing between your air pump and aquarium water to prevent water returning down the air line.
Fits standard air line tubing aquarium and CO2 tubing with inner diameter about 4 mm
DIMENSION:
0.5” D x 2.0” L
INCLUDES:
100 pieces of check valves