Compact and powerful, the R-8545 produces the highest output of any off-road unit its size. Its performance and durability make the R-8545 the ideal choice for off-highway equipment cabs where space is a premium and reliability is essential. Engineered to filter in-cab air as well as incoming outside air when pressurization is required. Models include A/C only or heater and A/C combination. Available in 12 or 24 VDC.