Aquatop Air Check Valve

Plastic check valves protect air pumps from aquarium water back-siphoning damage during power failures. To use, cut airline tubing between air pump and first outlet. Attach airline to each end of valve. Valve measures 2 inches long. ADDITIONAL FEATURES Product Gross Weight: 0.1000 lb Product Net Weight: 0.1000 lb Product Height: 3.43 in Product Length: 0.50 in Product Width: 2.36 in INSTRUCTIONS Use Instructions: To use, cut airline tubing between air pump and first outlet. Attach airline to each end of valve. SPECIFICATIONS Compatible With: Air Pump Valve Type: Check