Cube One - Salinity Refractometer with Dual Scale, ATC for salt Water Aquarium 604B FILTER SPARE PUMP The pump capacity of 800

The pump capacity of 800 liters per hour makes it possible to use filters in aquariums with a volume of up to 200 liters

wear resistance

The concept of biological filtration is simply to utilize living organisms to remove substances from aquatic systems as a natural result of their respiration and metabolic processes

Dimensions:9

Cube One - Salinity Refractometer with Dual Scale, ATC for salt Water Aquarium 604B FILTER SPARE PUMP The pump capacity of 800PROFESSIONAL SALINITY REFRACTOMETER: The salinity refractometer is designed for test the water salinity according to the principle that liquids with different concentrations have different refractive indices. Lightweight, compact, fast result, accurate.