Air volume:    1 - 21000 cfm
 Maximum SP: 7" wg. @ standard air density


  • Heavy duty construction
  • Non-overloading backward inclined wheels
  • Fully adjustable motor mounting base
  • Quick release latches allow for easy access to motor compartment
  • Variable pitch motor pulley allows for field adjustment and system balancing
  • High efficiency combined with low tip speeds results in quiet operation
  • Standard emergency disconnect switch
  • Hinged door design with Stainless Steel latches with lift off hinges


  • Indoor Hanging Cradle
  • Opposite Side Controls
  • Side Discharge Outdoor Screen
  • Inlet and Outlet Transition for Factory-Built Round Ductwork




Models VKB10-INLINE through VKB25-INLINE have been certified by ITS. This certification mark indicates that the product has been tested to and has met the minimum requirements of a widely recognized (consensus) U.S. products safety standard, that the manufacturing site has been audited, and that the applicant has agreed to a program of periodic factory follow-up inspections to verify continued performance.

Models VKB10-INLINE through VKB25-INLINE are ETL Listed under file numbers 103336443COL-001 and 102628244PRT-001 and comply with UL705 (electrical), UL762, and ULC-S645 Standards and CSA Std C22.2, No 113.

Ventilation Direct is committed to customer service and on time, accurate delivery of superior Ventilation products.

Call 1.866.433.8335 for a friendly customer service representative that can customize your exhaust fan, heater or supply air package while providing you a fast quotation including drawings and submittal packages. Our product line includes UL and ANSI listed commercial and industrial exhaust fans, heaters, make-up air units, motors and more with a two year warranty.