10 PCS Aquarium One Way Non-Return Check Valve Fish Tank Co2 System Air Pump Red

Description

10 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 2.1” L
INCLUDES:
10 pieces of check valves