1,Long service life and durability2,Supporting use, convenientApplication:Air Diesel HeaterMaterial: Stainless steel + plasticColor: SilverExhaust Silencer: hole diameter: 24mm / overall: 16x10cmFilter hole diameter: 25mmPackage Included:1 x 24mm Exhaust Silencer1 x 25mm Filter1 x Combustion air pipe1 x Exhaust Pipe4 x ClampsNote:1. Professional Installation Is Highly Recommended !!!!Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.