About This

• 【Power-On Auto Start】Unlike other HOB filters that require water to be poured or sucked onto a pipe to activate, this aquarium filter automatically starts when the power is turned on. Just hang it on the water tank and plug it in. Suitable for frameless and framed water tanks with a maximum edge thickness of 0.51 inches.
• 【HOB aquarium filter with quiet external water pump】The pump is separated from the main filtration unit to keep the noise below 30 decibels. Suitable for bedrooms, offices, or living rooms.The detachable pump can be used separately for changing water or emptying the water tank. The water pump is 160 gallons per hour, with a maximum lift of 3.9 feet.
• 【4 level modular chambers HOB filter】4 compartments are suitable for 7-15 gallon fish tanks . Each chamber can be filled with different filtering materials. The attached filter material include filter sponge, ceramic balls, ceramic rings, and carbon wool. You can also use your own biological rings, broken corals, or Purigen for filter filling.
• 【Triple filtration hang on back filters 】 ① Mechanical：dual density sponge (20ppi and 30ppi) can filter out larger impurities; ② BIO:ceramic rings and ceramic balls can provide a environment to clear water ;③ Chemical：Black charcoal cotton with activated carbon as the final layer of multiple filtration. This HOB filter greatly reduce the frequency of changing water in the fish tank.
• 【Details of the backpack aquarium filter】 The inlet is designed to prevent overflow, and the bottom has a fixed chassis to prevent tipping. The black transparent color and low light environment help provide better conditions for purifying water quality.The outlet water wheel creates a gentle waterfall flow for better oxygenation.
• 【More Flow, Less Space】 Keeping your aquarium clean shouldn’t mean giving up room for your fish to swim. This ultra-thin HOB filter slides onto the back of your tank in seconds, delivering whisper-quiet, high-efficiency circulation without cluttering the inside. Designed for 7-15 gallon systems, it tucks neatly behind the glass.