OverallHeight: 340 mm Overall Width: 340 mm features: Mild steel louvered face plate To suit aperture 300 x 300 mm Two face plates required per opening Designed to satisfy all types of applications where air transfer is required in offices, shops and many other commercial and industrial applications. Description Mild Steel Louvred Faceplates are designed to satisfy all types of applications where air transfer is required in offices, shops and many other commercial and industrial applications. Manufactured from 20swg mild steel they comprise of horizontal louvres set at 8.5mm centres with a 30 downward deflection Designed for surface mounting to internal doors, partitions and walls, their slimline and unobtrusive design offers a free area of approx. 70% The product is ideal for use with intumescent fire blocks/grilles Free air space 73,000 sq mm The faceplates are available in a range of square or rectangular sizes to suit apertures up to 600mm x 600mm (NB - Face plates are approx. 50mm larger than aperture dimension) Our faceplates are supplied in a painted satin aluminium finish that provides an aesthetically pleasing finish, other finishes available to order.