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Penn-Plax presents the Premium Under Gravel Aquarium Filter. This air-driven filter utilizes an air pump (sold separately) to cycle water throughout your aquarium, promoting a crisp, clean tank. Each filter provides three stages of filtration—biological, chemical, and physical. The simple design features less moving parts for effortless aquarium maintenance. This filter is suitable for use in both freshwater and saltwater setups. Plus, it aerates your tank through the same system for two-in-one convenience!

Penn-Plax Premium Underground Aquarium Filter, 29-gal

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Product details

Penn-Plax presents the Premium Under Gravel Aquarium Filter. This air-driven filter utilizes an air pump (sold separately) to cycle water throughout your aquarium, promoting a crisp, clean tank. Each filter provides three stages of filtration—biological, chemical, and physical. The simple design features less moving parts for effortless aquarium maintenance. This filter is suitable for use in both freshwater and saltwater setups. Plus, it aerates your tank through the same system for two-in-one convenience!

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