Rytons Metal Louvre Ventilators 9″ x 3″ – Low profile fixed open louvre. Strong slim and durable, suitable for room and cupboard ventilators. Composition: 0.7mm 22 gauge aluminium, 242mm Long x 89mm High x 5mm Deep F30 Accessories/Sundry Items for Brick/Block/Stone Walling: Specification clauses 16, 165 U90 General Ventilation – Domestic: Specification Clauses 36, 38, 61, 360, 380, 505
