Description
O-Rings For FLUVAL FX4 FX5 FX6 Click Fit Top Cover
Direct after-market replacement for part number:
| Quantity | Description |
|---|---|
| 2 x | FX4 FX5 FX6 O-Rings – Part # A20212 |
- For the FX4, FX5 and FX6 high performance filters (A214, A218, A219) as well as older filter canisters: 105, 106, 205, 206, 305, 306, 405, 406
- Dependable Buna N O-ring material
- Original Manufacturer Part Number: A20212
Note: User must install according to manufacturer specifications. Improper installation will result in leakage.
Product Overview:
This 2-pack of O-rings (Part # A20212) is a direct aftermarket replacement for Fluval FX4, FX5, and FX6 high-performance filters, as well as older filter canisters including models 105, 106, 205, 206, 305, 306, 405, and 406. Made from durable Buna N material, these O-rings provide a reliable seal to prevent leaks and maintain proper water flow and pressure in your canister filter.
Why Choose These O-Rings:
- Precision-fit replacement for Fluval FX4, FX5, FX6, and compatible older canister models.
- Durable Buna N material resists wear, compression set, and exposure to water and cleaning chemicals.
- Direct-fit aftermarket part meets or exceeds OEM specifications for reliable performance.
- Pack of two allows multiple replacements or spare parts for preventive maintenance.
- Supports long-term filter efficiency and leak-free operation.
Installation Notes:
Inspect the top cover seating area for debris, dirt, or damage before installation. Ensure each O-ring is seated correctly without twisting or pinching. Proper installation is essential to maintain an effective seal and prevent leaks.
Key Benefits:
- Maintains proper seal on FX4, FX5, FX6, and older Fluval canister top covers
- Prevents water leakage and ensures optimal filter performance
- Durable material ensures long-lasting reliability
- Supports preventive maintenance and consistent filter operation
These A20212 O-rings are high-quality, direct-fit replacements for Fluval FX4, FX5, FX6, and older filter canisters. All parts are brand new and satisfaction guaranteed.


