Trickle Window Slot Vent Set Inside & Out - 415mm - 4191mm²EA - Anthracite Grey

SUITS VARIOUS WINDOW FRAMES - Such as uPVC, wood & aluminium

INCREASED AIR FLOW - 4191mm² Equivalent Area Air Flow

HELPS PREVENT CONDENSATION - Premium quality vent to help reduce condensation while allowing secure ventilation

STRONG AND DURABLE - Made from robust UV stabilised PVCu

ADJUSTABLE AIRFLOW SWITCH - Deflects air up or down, also has the option of complete closure

FLY SCREEN - Integral fly screen in external hood

QUICK & EASY - Easy installation and snap-on quick-fit end caps