Non Return Valve
Regular price
Rs. 19.00
per
An aquarium NRV (Non-Return Valve), also known as a check valve, is a critical safety accessory that allows air or CO2 to flow into your fish tank while blocking water from flowing backward into your equipment. Without this s...
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An aquarium NRV (Non-Return Valve), also known as a check valve, is a critical safety accessory that allows air or CO2 to flow into your fish tank while blocking water from flowing backward into your equipment.
Without this small valve, a power outage or equipment failure creates a siphon effect, draining aquarium water down the airline tubing and destroying your air pump or expensive CO2 regulator.