b/s/t ALIT Vent WD Premium DN 100 / PL 450 mm

Stacking element
Material: Aluminium
Upper part double-shell, thermally insulated, including PE weather cap (not removable), high impact strength, UV-stabilised, with optimised condensate drainage
Membrane flange: Polyolefin, EPDM, ECB, PIB, PVC etc.