P4 Anthracite Grey UPVC Double Movable Sash Unit with 4 mm Tempered Glass

P4 UPVC is an anthracite grey framed unit with a double movable sash layout. The product data specifies a single-sided inside handle, Hebeschiebe accessory, and glazing made from 4 mm tempered glass, 16 mm air space, and 4 mm tempered glass. The image shows a two-panel layout with grey framing and blue-tinted glazing shown in a front elevation drawing.