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The series STH and STV, corresponds to a range of pre-filters of great capacity, which allow to catch any solid body in suspension in the fluid, thus avoiding its advance to the hydraulic unit of the pump.
The HB series corresponds to a range of high capacity pre-filters, which allow to trap any solid body in suspension in the fluid, thus avoiding its hydraulic joint advance of the pump.
Both its hermetic closure system and easy opening are made possible thanks to its 4 folding inserts of great security.
Washable Mesh Filtering Cartridge, the function of which is to eliminate particles in suspension, sand, rust, or others.