The Timloc Cavity Sleeve black is used to provide ventilation through external walls to the building interior. The product comes with a plastic finish and measures 212 x 67mm (L x W). It is manufactured using polypropylene, a thermoplastic polymer, which makes the product stronger. Additionally, compared to plastic, the product is not just durable but lightweight too. The product is lightweight and easy to handle. It provides an unrestricted free airflow especially when fitted with a Timloc airb

Brand Name	Timloc