125mm Baffled Core Drill Vent (Cowled), Terracotta

HETAS APPROVED 125mm Baffled Core Drill Vent (Cowled) Terracotta ~ Equivalent area Advantica tested. ~ Cowl and internal baffles reduce light and draughts. ~ For new and refurbishment projects. ~ U.V. stabilised cowl and internal and external grilles. Equivalent free area = 6390mm²