Replacement for Fluval A20212 Top Cover O-Ring

This replacement O-ring is designed to fit the Fluval A20212 (A-20212) part, ensuring identical form, fit, and function compared to OEM specifications. The four-pack of high-performance O-rings fits FX4, FX5, and FX6 canister filters (Item A214, A218, A219), making it the ideal choice for maintaining your aquarium system. Constructed with premium heavy-duty materials for long-lasting durability and performance, all O-rings are made in the USA and packaged locally. With the ability to return your aquarium system to peak efficiency, eliminate leaks, and extend the lifespan of your investment, using quality silicone-based lubricant on all O-rings is highly recommended. Please note that all brand names and logos are trademarks of their respective owners, and their use is solely for demonstrating compatibility.