Technical Specification 24 " Stainless Steel Air Ventilator Model Standard Model Standard Diameter 32 " (812.8 mm) Pointer MOC 9.5 mm Ã?? Stainless Steel 304 Neck / Throat Diamter , 24 Inch (609.6 mm) Supporting Bush MOC,Green Oilon No. of Vanes (Blades)42 Vanes ,Center Shaft Stainless Steel 304-19 mm Ã?? Height 17 Inch (431.8 mm) Inner Arms (Pipe) Stainless Steel 304 Base Ring, Stainless Steel 304 (Jindal Make) Outer Arms Stainless Steel 304 Top Cover Stainless Steel 304 (Jindal Make) Center Pipe 32 mm with length 240 Stainless Steel 304 (30 mm Nut) Top Sheet MOC Stainless Steel 1.2 mm Thickness NetWeight 11.3 Kgs (Approx.) Vanes MOC Stainless Steel 304 0.5 mm Thickness (Jindal Make) Packing As per Box Packing Bottom Ring (Stainless Steel 304) 1.5 mm Thickness (C-Channel) (Jindal Make) Vanes Size 435 / 70 Rotation Bush Support with Green Oilon Miscellaneous items like Nut, Bolt, Washer, etc. Stainless Steel 304