BP Type Detachable unit consisting of : 1 central support (mechanical strengthener) in 316 L stainless steel. 1 - 4 filtering modules (not capable of being regenerated) with multi-layered folded polyester and fibre glass between two strengthened layers of extruded aluminium held together by two polyurethane over mouldings (hardness : 70 shores). 2 - 5 toric joints between modules and the end pieces. 2 end pieces screwed to the central support and fixed by two stainless steel screws.
