Title: 2x Air Water Supply Regulator Control Valve For Fish Tank Pump 4/6mm Adjustment

2x/Lot Air Line Regulator Control Valve For Fish Tank Air Pump – Aquarium 4/6mm Fish Pond Tank Water Supply Air Supply Adjustment Unint

Water supply pipe / Air Line Regulator Valves are used to control the air flow from an air pump. 
Simply cut your airline, attach one end of the air line to each end of the Regulator valve, 
then tighten or loosen the screw cap to increase or decrease the air flow.

Fits all standard 4mm/6mm Airline,water supply pipe.

Made of high quality plastic, strong and durable, fine workmanship, long service life.
Easy installation, just insert the connector directly into the air pipe.
Aquaculture air valves can be connected to aquaculture pipelines.
Connector Diameter (Each) 4.5mm /0.18Inch.Length: 38mm /1.50Inch.
Suitable for: 4mm or 6mm air / water tube.