Firestorm UTV Cab Heater Kit (Compact Underhood) for Polaris RZR 900 Fits: 2015-2017 RZR & RZR-4 900 (50" & 60" frame); will NOT work with Ride Command or OEM wiper blade kit Don't loose cab space! Tucks nicely under the dash Complete kit includes thermostat bypass kit, all hoses, connectors, louvres, hardware and instructions Adjustable temperature and fan speed, adjustable louvers, heavy duty squirrel cage, shutoff valve, and high performance alloy Y connectors 3 Year Warranty