TVP Plastic Surface Fix Trickle Vent SKU: TVP Plastic Surface Fix Trickle Vent Pinit Quantity discounts available QuantityPrice Quantity -+ Add to Basket DescriptionTVP surface mounted plastic trickle vent.Developed for revisions to Part F of the Building Regulations, Ventilation (England & Wales).Deflects air up or down or both.Controllable tilting T-bar.Should be fitted with the TVP Canopy to achieve the EA Air Flow figures.Installed on the inside of the window.SpecificationsProjection Closed-Open:20-26mmEA Air Flow:TVP - 1700mm2, TVP - 2700mm2DocumentationTVP200 Technical DWG Drawing: DownloadTVP200 Technical PDF Drawing: DownloadTVP400 Technical DWG Drawing: DownloadTVP400 Technical PDF Drawing: DownloadFitting Instructions: DownloadData Card: Download