Fluval FX4 High Performance Canister Filter

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Multi-stage filter pumps out 700 gallons (2650 L) of water per hour
Smart Pump™ – advanced microchip technology continuously monitors and optimizes pump performance
Self-starting – just add water, plug in and Smart Pump™ will take over. Trapped air auto-evacuated every 12 hours to ensure maximum efficiency
Easy water changes eliminate need to lift heavy buckets. Simply attach hosing to output (Kit sold separately) and Smart Pump™ does the rest
Removable, stackable media baskets eliminate water bypass and hold a total of 1 gallon (3.9 L) of media
All filter media included – mechanical, chemical and biological
Aqua-Stop valves with leak-proof Click-Fit attachment system
Valves positioned at a convenient 45-degree angle