Non Return Damper ▸ Specification Standard Material : Galvanized Steel (GI) Optional Material : Stainless Steel (SUS) and Mild Steel (MS) Frame Thickness : 1.2 mm Alumunium Blade Thickness : 0.8 mm Length (L) : 150 mm Size : W x H in mm Frame Size : W + 70 mm, H + 70 mm ▸ Other Information Other Thickness & Length available upon request ORDER NOW ORDER ON WHATSAPP Share this Project