Products Home/Products/Accessories/Joiners Product Categories Aluminium Eggcrates Ceiling Diffusers Grilles Swirls Linears Jet Diffusers Floor Diffusers Weather Louvres Plastic Grilles Supply Air and Plenums Fire Damper Dampers Zoning Accessories Joiners are made from quality 0.4mm galvanized steel with the width of 120mm. Sizes available: D150 D200 D250 D300 D350 D400 D450 D500 D550 D600