The key specifications of the Heatless Compressed Air Dryer 175 CFM Desiccant Activated Alumina are — AIRFLOW: 175 CFM; INLET / OUTLET: 1 1/2" FLG FLG(NB); DIMENSIONS IN MM: 1100X560X1645 L*B*H; DESICCANT QTY/TOWER: 170 KG. These specifications are based on the standard GEM Equipments design; always verify against your machine's requirement before use. GEM Equipments Pvt. Ltd. is an ISO 9001:2015 certified, India-based manufacturer (since 1984) of compressed air dryers, cooling towers, industrial chillers, and compressed air treatment accessories, headquartered in Coimbatore, Tamil Nadu.