Aulofee Submersible Aquarium Filter, Upgraded 100-300 Gallon Fish Tank Filter with Fish Guard, Internal Whisper Pump for Turtle Tank, Fresh/Saltwater, Check Valve, Debris Tray — Open-Box, 48% Off

Powerful 6-in-1 Performance: This submersible aquarium filter for 100–300 gallon tanks combines filtration, oxygenation, wave-making, debris collection, water circulation, and water change in one system. This whisper filter provides strong and steady water movement for clearer water and a healthier aquatic environment. Suitable for both freshwater and saltwater setups

Upgraded Filter with Bottom Fish Guard: Designed with an upgraded bottom fish guard to help prevent small fish from being drawn into the filter. The bottom debris tray collects visible waste, while the built-in check valve activates when lifted to reduce mess during cleaning. Every detail is designed for smoother operation and easier maintenance

Dual Valve Control & Ultra-Quiet Filter: Features an adjustable outlet to direct water flow without disturbing smaller fish, and a separate air valve to fine-tune oxygen output. The aquarium filter operates under 25dB, ensuring a calm environment for you and your aquatic pets

Reusable High-Efficiency Bio Sponge: The internal fish tank filter is equipped with dense biological filter media that supports natural biological filtration. This process helps maintain water clarity and promotes a stable aquatic environment. Rinse with tank water and avoid wringing to prevent sponge deformation. Compatible with other filter materials if replacement is needed

Proper Installation & Easy Maintenance: Tool-free assembly allows quick installation in just minutes. The turtle tank filter can be placed horizontally or vertically; make sure the filter is fully submerged

The Aulofee Upgraded submersible Aquarium Filter is a powerful 6-in-1 solution for fish tanks, turtle tanks, large tanks, and small ponds. The unit features a debris tray and a built-in check valve for cleaner maintenance, plus an upgraded bottom fish guard screen to help prevent small fish from being drawn into the filter. This whisper pump delivers strong water circulation while running quietly (under 25 dB) for a peaceful aquarium. Designed for both freshwater and saltwater setups, the internal fish tank filter uses a reusable bio sponge for natural biological filtration. For best performance, place the submersible filter fully submerged and adjust the dual valve controls to fine-tune flow and oxygen output. Also ideal for turtle tanks and small ponds.B0GYJH4V76