Overview The Aqueon QuietFlow LED PRO 30 Power Filter is a powerful and efficient filtration system designed for aquariums up to 45 gallons. Featuring a built-in LED cartridge change indicator, it helps you maintain peak performance by signaling when the filter cartridge becomes clogged. The internal pump design minimizes noise and leakage, while the self?priming feature ensures continuous operation?even after cleaning or power interruptions. Key Features LED Cartridge Change Indicator: Alerts you when the cartridge is clogged, ensuring timely replacements and consistent filtration. Internal Pump Design: Reduces noise and eliminates leaks, automatically restarting after power outages or maintenance for hassle-free operation. Multi?Stage Filtration: Employs mechanical, chemical, and biological stages, plus an optional specialty pad, to maintain clear, odor-free water and stable water parameters. High Flow Rate: Promotes better oxygenation, contributing to a healthier and more active aquatic environment. User?Friendly Maintenance: The LED indicator and easily accessible filter cartridge simplify upkeep, making routine cleaning more efficient. Product Specifications Model: Aqueon QuietFlow LED PRO 30 Power Filter Dimensions: 8.4" (L) x 4.6" (W) x 7.9" (H) Aquarium Size Compatibility: Up to 45 Gallons SKU: 100106082 Filtration Stages: 5 stages (mechanical, chemical, biological, bio?media grid, optional specialty pad) Replacement Cartridge Size: Large (recommended to replace every 4 weeks) Additional Information Improved Water Quality: The comprehensive filtration approach efficiently removes debris, toxins, and odors, helping to maintain a stable environment for fish and plants. Optional Specialty Pads: Customize your filtration with additional carbon, ammonia reducer, or phosphate remover to address specific water quality concerns. Reliable Operation: Self?priming design ensures quick and consistent restarts after cleaning or power loss, making it ideal for novice and experienced aquarists alike. Trusted Aqueon Brand: Manufactured by Aqueon, known for high?quality and user?friendly aquarium products that support the well?being of aquatic life.