# Fluval FX5 Top Cover O-Ring (also suitable for use with the FX6 model)

## Fluval FX5 Top Cover O-Ring Also Suitable for FX4 & FX6 Models

The Fluval FX5 Top Cover O-Ring (Filter Lid O-Ring) is a genuine replacement sealing ring for Fluval FX series high-performance canister filters. Replacing a worn or damaged O-ring prevents leaks at the filter lid and maintains a fully watertight seal during operation.

-   Genuine Fluval replacement part
-   Compatible with: Fluval FX4 (A214), FX5 (A218), and FX6 (A219) High Performance Filters
-   Seals the filter lid to prevent leaks
-   Easy to fit no specialist tools required

Inspect the O-ring regularly for cracks, hardening, or deformation. Replace immediately if any damage is detected. Lightly lubricate with silicone grease when fitting for a better seal and easier installation. Always turn off and unplug the filter before servicing.

## Details

- **Price:** 15.39 GBP
- **Vendor:** Fluval
- **Type:** Fish : Accessories : Spare Parts
- **Tags:** Fish Accessories, Fluval, Spare Parts

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 15.39 GBP | In stock |

## Images

- Fluval FX5/FX6 Top Cover O-Ring in black shown on a white background.

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> Source: [Pet n Pony](https://petnpony.co.uk/products/fluval-fx5-top-cover-o-ring-also-suitable-for-use-with-the-fx6-model)
> Updated: 2026-04-20