The key specifications of the Pvc Black High Temperature fills CD 12 are — Max. Operating Temp: 85°C; standard fill sheet: 0.2mm; surface area / unit volume: 250 m²/m³; Cooling Tower: Counter flow. 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.