This uncased mobile home air conditioning and heat pump coil series is designed as a high efficiency A coil to be installed on new and existing downflow manufactured housing furnaces. Fits Nordyne, Intertherm, Miller, Evcon, Coleman and Airpro brands of furnaces. The series can be A.R.I. rated with many outdoor unit brands to provide a capacity range from 18,000 to 48,000 nominal BTU/HR. These coils are UL approved.