About This

• DESIGNED FOR A20215 FASTENER SYSTEM: These barrel nuts are replacement parts used in the A20215 lid fastener assembly and are designed to help restore a secure lid connection on compatible canister filters
• FITS FX SERIES FILTERS: Precisely sized for use with FX2 FX4 FX5 FX6 canister filter lid fastener positions and works with matching existing hardware for routine maintenance
• HELPS MAINTAIN A SECURE SEAL: These lock nuts help support stable lid fastening, maintain clamping pressure, and reduce the risk of looseness or leakage during filter operation
• DURABLE FOR REPEATED USE: Made from sturdy plastic material for dependable performance during repeated tightening, loosening, replacement, and everyday maintenance
• 12 PACK FOR REPAIR AND SPARES: Includes 12 barrel nuts for replacing worn or damaged parts and keeping extra pieces on hand for future maintenance needs
• EASY INSTALLATION AND REPLACEMENT: Simple to install as direct replacement components that integrate seamlessly with existing lid fastener hardware on your aquarium canister filter system