TVG Plastic Recessed Fix Trickle Vent Grille SKU: TVG Plastic Resessed Fix Trickle Vent Grille Pinit Quantity discounts available QuantityPrice Quantity -+ Add to Basket DescriptionTVG recessed plastic trickle vent grille. - 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. Note - different window preparation required if using this grille instead of the TVF canopy.SpecificationsProjection Closed-Open:13.5mmEA Air Flow:TVG358 - 4600mm2DocumentationTechnical DWG Drawing: DownloadTechnical PDF Drawing: DownloadFixing Instructions: DownloadData Card: Download