Round Non Return Damper ▸ Specification Standard Material : Galvanized Steel (GI) Optional Material : Stainless Steel (SUS) and Mild Steel (MS) Material Thickness : 1.2 mm Blade Thickness : 0.8 mm Joint Type : Flange, GI Clamp Length : By Order in mm Diameter : By Order in mm ▸ Other Information Other Thickness available upon request ORDER NOW ORDER ON WHATSAPP Share this Project