Penn-Plax® Under Gravel Filters

Silent filtration.

• Under Gravel Filters are trusted by aquarists for reliable water clarity Fits neatly beneath gravel for easy setup Promotes water circulation for healthier fish and plants Built to last for long-term performance Keeps tanks clean with minimal upkeep

The Penn-Plax® Clear-Free Premium Under Gravel Aquarium Filter is a reliable solution for maintaining clear, healthy water in tanks. Designed with the classic under-gravel filtration system, it provides steady water circulation and efficient waste removal, keeping aquariums balanced and thriving. Easy to install and virtually invisible beneath the gravel, this filter not only supports the health of fish but also preserves the natural beauty of the tank. Durable and low-maintenance, the Clear-Free filter continues to be a trusted choice for hobbyists seeking dependable, long-lasting filtration.