NRV valve High Quality RED - NEW

✅ Features:

• 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

✅ Package including:

As Per the Selection

1 x Check Valve