TVF Plastic Surface Fix Trickle Vent Canopy SKU: TVF Plastic Surface Fix Trickle Vent Canopy Pinit Quantity discounts available QuantityPrice Quantity -+ Add to Basket DescriptionTVF surface mounted plastic trickle vent canopy.Developed for revisions to Part F of the Building Regulations, Ventilation (England & Wales).Should be fitted with the TVF Vent to achieve the EA Air Flow figures.Installed on the outside of the window.SpecificationsProjection Closed-Open:32.5mmDocumentationTechnical DWG Drawing: DownloadTechnical PDF Drawing: DownloadFixing Instructions: DownloadData Card: Download