Aqueon QuietFlow LED PRO Aquarium Power Filter, Size 75

Certified flow rates that assure proper water circulation for improved fish health High flow rates for optimal dissolved oxygen content to promote healthier, more active fish Provides mechanical, chemical, biological and optional, additional specialty pad filtration Self-priming filter pump will auto-start initially or restart if power is interrupted and restored Internal pump design helps dampen noise and eliminate leaks with self-priming feature LED indicator light flashes when water cannot pass through the cartridge, generally indicating it's time to change the cartridge Uses Two Large Aqueon Replacement Cartridges and Size 20/75 Specialty Filter Pad