Plastic Quick Plug Check Valve Non Return Water Accessory for Aquarium Air Tubes

Feature: 1. Two?way quick insertion, no air leakage, the air tube is connected to the air tube, and the air tube is connected to the diffuser. 2. Built?in check valve, with anti?backflow function. 3. 6mm/0.2in outer diameter acrylic tube, stainless steel tube, trachea can be used. 4. Wonderful accessory for aquarium air tube. 5. Professional manufacturing, stable performance and high reliability. Specification: Condition: 100percent brand newItem type: Check Valve Material: plasticColor: As picture shownLength: Approx. 5cm/2inDiameter: Approx. 1.4cm/0.6inWeight: Approx. 10g Product use: anti-return water check valve . Package List: 1 x Check Valve Note: 1. Suitable for 4x6 air tube, the air tube should be hard, too soft and easy to collapse. 2.Suitable for most diffuser.