DryFix Internal Fit Passive Vent 100mm (4″)
DryFix Internal Fit Passive Vents 4” (100mm), are designed to be installed from inside the property negating the need for ladders or scaffolding outside.
Background Vent for condensation control comes complete with an 2 x 30ppi 25mm thick polyester flame-retardant washable foam filters for the reduction of draughts and noise pollution.
The foam filters allows the transfer, under natural pressure, of high internal humidity to the outside whilst capturing any unwanted dust particles from air coming in. It can be accessed from removing the internal grille for regular cleaning.
The supplied internal grille is a louvred grille in white with flyscreen.
The self sealing external grill is available in Brown, White, Terracotta, and Beige. The 4″, 100mm tube is 375mm long and can be trimmed to suit.
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