Undergravel Filter 16 – undergravel filter, 54 x 30 cm
Resun RS16P is an undergravel filter for 54 x 30 cm aquariums, built from 16 interlocking 14 x 7 cm plates. It…
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This undergravel filter is for aquarists who run planted or substrate-based freshwater tanks and want the substrate itself to do the filtering. It fits a 54 x 30 cm footprint and is assembled from individual plates, so the size can be adjusted to the tank.
Why it matters
- The filter uses the aquarium substrate as the filter medium: water is pulled down through a layer of sand, active substrate or a natural mix such as ECO PLANT.
- Organic and inorganic waste is drawn down toward the plant roots, where it serves as nutrition, and the substrate is kept cleared of debris such as fish waste and plant remains.
- The 16 plates are 14 x 7 cm each and can be linked in any arrangement, including perpendicular connections. Excess connectors can be trimmed to achieve exact dimensions.
- The telescopic outlet adjusts from 30 to 50 cm and its tip rotates 360 degrees, allowing the outflow to be set for the tank height and direction of flow.
Specifications
- Model: Resun RS16P
- EAN: 6933163300479
- Filter size: 54 x 30 cm
- Plate size: 14 x 7 cm (16 plates)
- Outlet height: adjustable, 30–50 cm
- Weight: 0.38 kg
- Included: 16 plates, telescopic water outlet, airline tubing and air stone
- Air pump: not included
What it works with
The filter suits planted freshwater aquariums that use sand, active substrate or a mixed natural substrate such as ECO PLANT. The air stone supplied with the set is placed in the outlet tube, and connecting an external air pump, which is sold separately, creates the water movement that drives the filtration. Its 54 x 30 cm footprint matches the bottom of tanks of that size, and the plates can be shortened to fit smaller setups.
Technical specification
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Frequently asked questions
No, the air pump is not included. The set comes with a tube and an air stone, which go into the water outlet pipe, and you connect them to an air pump you purchase separately to create water movement.
Yes. The grid is made of individual 14 x 7 cm pieces that snap together like building blocks, and you can also connect them perpendicular to each other. Excess connectors can be trimmed off for an exact fit.
It works with sand, active substrate, or a natural mix such as ECO PLANT. Water is drawn through this layer, where debris is trapped and fed to plant roots.
The telescopic outlet adjusts from 30 to 50 cm in height, and its tip rotates a full 360 degrees.
The set includes 16 grid pieces measuring 14 x 7 cm each, a telescopic water outlet, and a tube with an air stone. The total weight is 0.38 kg.
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