ArrestAir-Pro Core Wall Vent Kits – High Rise Version 117mm
ArrestAir-Pro – External cowl for superior anti-draught performance 350mm (14”) long, 102mm (4”) diameter plastic tube Use 117mm diameter core bit drill Rubber seal gasket Internal inverted quad directional grille DiffuseAir. Stamped “Important do not block” Stainless steel screws,plugs and installation instructions 31 cm2 Free-area equivalent
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