Timloc Airbrick - Plastic - Blue / Black - 1201ABBB Timco LOC1201ABBB Product Summary: Used in conjunction with underfloor vent system and cavity sleeves to provide ventilation below suspended ground floors and through external walls. Size: 215 x 69 x 60 Pack Quantity: 20 Brand: TIMLOC The Timloc Airbrick is an essential component for ensuring proper ventilation in suspended ground floors and external walls. Designed for compatibility with underfloor vent systems and cavity sleeves, this product facilitates optimal airflow, contributing to a healthier indoor environment. With a compact size of 215 x 69 x 60 mm and available in a convenient pack of 20, the Timloc Airbrick is a reliable choice for both residential and commercial applications. Trust in TIMLOC's quality to enhance your building's ventilation system effectively.