16pcs Aquarium Check Valves - One Way Air Pump Valves for 3/16 inch Fish Tank Aerator Tubing Accessories

Aquarium Check Valves 16pcs One Way Air Pump Valves Non-Return One Way Air Valves for 3/16 inch Fish Tank Aerator Airline Tubing Accessories Pipe Fitting Clear

16pcs Aquarium Check Valves - One Way Air Pump Valves for 3/16 inch Fish Tank Aerator Tubing Accessories

Specification: Material: plastic Color: black & red Quantity: 16pcs Size: Air Hole Diameter: 5mm/ 0.19inch Overall Size: 5 x 1.5cm/ 1.9 x 0.6inch(LxD) Note: Please DO NOT use them with CO2 system. Please check if install correctly. One check valve is required for each outlet, and two for double-head pumps, and so on. Please use a paperclip to poke it from Input side to ouput side when the outlet inside gets stuck. Before installation, you may need to unscrew and open up check valve, pinch the rubber boot inside valve to make sure small slit is open. Otherwise no air to tank. Package includes: 16pcs x Aquarium Check Valves

Key Features

• ✅ 1.Aquarium air pump check valves, 16pcs, air hole diameter: 0.19inch/ 5mm, overall size: 1.9 x 0.6inch/ 5 x 1.5cm(LxD).
• ✅ 2.Made of rigid hard plastic which can be tightly connected to the hose without air leak, reusable, durable, and aging resistant.
• ✅ 3.It is recommended to clean the valve regularly, please poke it with a slim stick from the inlet side to push it open when it gets clogged inside and restricts air flow.
• ✅ 4.Protects air pumps by preventing water backflow through piping during power outages or pump pauses.
• ✅ 5.Suitable for standard 3/16 inch airline hoses and all common aquarium air pumps, fish tank, aquarium, fishing tackle shop, etc, but not suitable for co2 system.

✅ Color: Black & Red

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