Sell Tworsen Control Valve Durable Adjustable 2-6 Heads Design Aquarium Air Valve Oxygen Regulating Valve for Fish Tank Pump best price

Description: You can use it to control the airflow of oxygenator switch an air pump on or off with its independent switch. The control valve is features with many merits, such as high-strength, high temperature resistant, corrosion resistant and abrasion resistant. Made of Plastic, it is washable and durable. There are five sizes to be chosen. It is suitable for fish tank, aquarium and so on. Item Name: Oxygen Regulating Valve Material:Plastic Size Details: Outer Valve Diameter: 5mm - 8mm/0.20" - 0.31" (Approx.) Inner Valve Diameter: 4mm - 5mm/0.16" - 0.20" (Approx.) 2 Heads Length: 6.2cm/2.44" (Approx.) 3 Heads Length: 8cm/3.15" (Approx.) 4 Heads Length: 10cm/3.94" (Approx.) 5 Heads Length: 11.6cm/4.57" (Approx.) 6 Heads Length: 13.2cm/5.20" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 X Oxygen Regulating Valve