Double-skin casing with 50 mm long fibre mineral wool insulation reinforced with bonded glass fibre cloth, peripheral frame or stainless steel support legs, depending on size, two-tone galvanised steel twin-wall panels, smooth internal walls without protruding screws as required by EN 13053
At least one removable panel per functional section as required by EN 13053, standard access panel on functional sections requiring maintenance
Filter efficiency: G4, F6 to F9, H10 to H14 or activated carbon. International dimensions. Filter mounted on compressible runners. Stainless steel universal or large-media frame with pressure tappings on each filtration stage. Filter class F9 in accordance with EN 13053
Lift-off doors on offset hinges, twist-lock latches made of composite materials, polyamide handles, large square inspection window as required by EN 13053