Come to Grainger for a reliable cabinet unit heater. These electrical cabinet heaters feature centrifugal blowers and eight air inlet/discharge configurations. Units offer built-in thermostats and relays operated by internal 24V transformer. Cabinet heaters measure 26-3/8"H, 9-7/8"D and offer 35"W and 45"W. Each unit includes a disposable filter and is UL and C-UL listed. Trust Grainger to supply you with numerous cabinet unit heater options so the unit can match the application.