Questions regarding plumbing an fx4 -> UV -> reactor -> back to original fittings. | The Planted Tank Forum
Questions regarding plumbing an fx4 -> UV -> reactor -> back to original fittings. | The Planted Tank Forum
Fluval - FX4 and FX6 canister filters feature a multi-functional Utility Valve drain at their bases, allowing you to empty the canister and perform seamless water changes with it! This means less
![Fluval Undertank Hose Connection Kit for FX Canister Filter | Welcome to Porton Garden Aquatic & Pets Fluval Undertank Hose Connection Kit for FX Canister Filter | Welcome to Porton Garden Aquatic & Pets](https://www.portonaquapet.co.uk/shop//User/Products/LrgImg/81166.jpg)