The key specifications of the Heatless Compressed Air Dryer 20 CFM Desiccant Activated Alumina are — AIR FLOW: 20 CFM; INLET / OUTLET: 1/2" BSP FLG(NB); DIMENSIONS IN MM: 500X400X1315 L*B*H; DESICCANT QTY/TOWER: 20 KG. These specifications are based on the standard GEM Equipments design; always verify against your machine's requirement before use. Founded in 1984 and ISO 9001:2015 certified, GEM Equipments Pvt. Ltd. is a Coimbatore-based manufacturer of compressed air dryers, cooling towers, industrial chillers, and compressed air treatment accessories, trusted by 1000+ industrial clients across India.