The key specifications of the Silencer, 1" SPD150-900 are — Wgt: 0.75 kg; Usage: Noise Reduction; Dimensions: 150X150X300. These specifications are based on the standard GEM Equipments design; always verify against your machine's requirement before use. GEM Equipments Pvt. Ltd., established in 1984 and ISO 9001:2015 certified, is one of India's leading manufacturers of compressed air dryers, cooling towers, industrial chillers, and compressed air treatment accessories, based in Coimbatore, Tamil Nadu.