Air Pump NRV Check Valves

✅ 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: Transparent and Black

✅ 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.