Betta Check Valve 2pcs

" data-description="Betta Airline Check Valves are one-way protective valves to protect air pumps from water syphoning back through the airline. Failure to install one of these could mean loss of water from your aquarium and damage your air pump beyond repair. Suitable for use with our 6mm silicone and plastic Betta Airline. Contains 2x valves." data-product-sku="">