Overview The Aqueon QuietFlow LED PRO 75 Power Filter is a high-capacity filtration system engineered for aquariums up to 90 gallons. This filter combines advanced multi?stage filtration with an internal pump and LED cartridge change indicator to ensure consistently clear and healthy water. Its robust design and high flow rate make it an ideal choice for larger aquariums, providing enhanced water circulation and oxygenation for a thriving aquatic environment. Key Features LED Cartridge Change Indicator: Built?in LED alerts notify you when the filter media is clogged and needs replacement, ensuring continuous, optimal filtration. Internal Pump Design: The self?priming internal pump minimizes noise, prevents leaks, and automatically restarts after cleaning or power interruptions. Comprehensive Multi?Stage Filtration: Utilizes a 5?stage filtration process (mechanical, chemical, biological, bio?media grid, and an optional specialty pad) to remove debris, toxins, and odors while maintaining stable water parameters. High Flow Oxygenation: Enhanced water flow increases oxygen levels, promoting a healthier and more active aquatic environment. Robust User?Friendly: Designed for aquariums up to 90 gallons, this filter features a durable construction with straightforward maintenance procedures, making it suitable for both novice and experienced aquarists. Product Specifications Model: Aqueon QuietFlow LED PRO 75 Power Filter Dimensions: 12.9" (L) x 6.6" (W) x 8.4" (H) Aquarium Compatibility: Up to 90 Gallons SKU: 100106079 Filtration Stages: 5?stage filtration system Replacement Frequency: Replace filter media as recommended (typically every 4 weeks for optimal performance) Feel free to refer to the product manual for additional technical details and installation guidelines.