描述
💧 Clear water, happy fish, zero hassle — filter smarter, not harder!
- DUAL FUNCTION AIR PUMP SYSTEM - Simultaneously filters and aerates your aquarium for healthier aquatic life.
- STREAMLINED UNDER GRAVEL DESIGN - Minimal moving parts for effortless maintenance and a sleek tank aesthetic.
- COMPREHENSIVE 3 STAGE FILTRATION - Activated carbon cartridges combined with gravel foster beneficial bacteria growth.
- CUSTOM FIT FOR 15 20 GALLON TANKS - Perfectly sized plates and adjustable lift tubes ensure optimal water flow.
- COMPLETE INSTALLATION KIT INCLUDED - Everything you need—filter plates, lift tubes, airline tubes, connectors, and carbon cartridges.
The Penn-Plax Clear-Free Premium Undergravel Aquarium Filter is an air-driven filtration system designed for 15-20 gallon freshwater and saltwater tanks. Featuring two large filter plates (11.2" x 11.25" each), it combines biological, chemical, and physical filtration using activated carbon cartridges and gravel to promote beneficial bacteria growth. This system also aerates your tank simultaneously, reducing moving parts for easy maintenance and a clean, minimalist look.