Air Pump NRV Check Valves - Multi Colors

✅ Product Description:

·The check valves are for common aquarium air pumps. Please DO NOT use them with CO2 system. Great one-way check valve for aquarium and fish tank.

·Protect you air pump by preventing aquarium water from back siphoning during a power outage.

·Made of durable clear plastic. Net weight: 4 g. Please use a paperclip to poke it from Input side to Output side when the outlet inside gets stuck.

·Small and compact, which protect air pump by preventing aquarium water from back siphoning during a power outage.

·Detachable design makes it easier for you to unscrew, clean and repair.

✅ Specifications:

·Material: Plastic

·Size: Diameter 4mm suitable for 4mm pipes

·Color: Black, White, Green & Red

✅ What you get:

As Per the Selection

1 x Check Valve

✅ Quality Assurance:

·24/7 Phone call, email and WhatsApp Supports.

✅ Note:

·Please allow slight dimension difference due to different manual measurement.

·Due to the difference between different monitors, the picture may not reflect the actual color of the item.