Penn-Plax Undergravel Aquarium Filter for 15-20 (high) Gallon Tanks – Two 11.2” x 11.25” Plates – Under Gravel System for Clear, Clean Water – Safe for Freshwater and Saltwater Tanks

Description

💧 Clear water, happy fish, zero hassle — filter smarter, not harder!

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.