TVR Aluminium Recessed Fix Trickle Vent SKU: TVR Aluminium Recessed Fix Trickle Vent Pinit Quantity discounts available QuantityPrice Quantity -+ Add to Basket DescriptionTVR semi recessed aluminium trickle vent.Developed for revisions to Part F of the Building Regulations, Ventilation (England & Wales).Felted gasket for increased performance.Controllable T-bar deflects air up or down.Unique linkages ensure constant friction and smooth action.Should be fitted with the TVR Canopy to achieve the EA Air Flow figures.Installed on the inside of the window.SpecificationsProjection Closed-Open:17-27mmEA Air Flow:TVR200 - 2200mm2, TVR400 - 4300mm2DocumentationTVR200V Technical DWG Drawing: DownloadTVR200V Technical PDF Drawing: DownloadTVR400V Technical DWG Drawing: DownloadTVR400V Technical PDF Drawing: DownloadData Card: Download