air tube connector 40 pieces set Y type T type L type I type fitting branch connection 4 types aquarium plastic clear oxygen tube outer diameter 5mm inner diameter 4mm (5m)

CTRICALVER air tube connector 40 pieces set Y type T type L type I type fitting branch connection 4 types aquarium plastic clear oxygen tube outer diameter 5mm inner diameter 4mm (5m)

Pawfly Aquarium Air Control Valves for 4-6 mm ID Airline Tubing Single Way Plastic Air Flow Controllers Regulators Adjustable Black Hose Connectors Air Pump Accessories for Fish Tanks, 10 Pack