Mod. L: galvanized metal sheet structure;  raised bolted galvanized  basin; submerged stainless steel  pump.

Mod. V: galvanized metal sheet structure; advanced and raised bolted galvanized  basin with grating, lateral overhang, submerged stainless steel  pump.

Mod. VL: galvanized metal sheet structure; raised bolted galvanized  basin with side-projecting section for sludge collection; submerged stainless steel pump externally positioned, lateral hydraulic circuit in PVC.

Mod. H: galvanized metal sheet structure; underground concrete  basin with floor grating; submerged stainless steel pump, lateral hydraulic circuit in PVC.