The 315SB is designed specifically for adding pressurization and/or external filter. Unit includes a 3″ fresh air intake at the rear of the unit and features a swing bracket that allows the unit to swing down for easy servicing.
The 315 and 330 Series includes our most powerful and top rates headliner units engineered to meet the demands of larger cabs and harsh conditions. Each unit includes a high capacity coil and dual blower motors necessary to keep the operator comfortable. Due to the popularity of the 315 Series it is available is several different configurations.