Click Fraud Protection



 Air volume:    1 - 29000 cfm
 Maximum SP: 5" wg. @ standard air density


Two full size access doors provide easy access to the wheel, shaft, and bearings
Power Pack can be easily removed through access doors
Wheels are backward inclined, non-overloading
Variable pitch motor pulley allows for field adjustment and system balancing
Thermal overload protection (single phase)
Aluminum wheels
Housing is galvanized steel construction
Disconnect Switch Standard
Side discharge options
Units can be installed at a 90 degree rotation
Unit can be installed horizontally & vertically
Belt Guard Standard
Motor Cover Standard
Mounting Brackets Standard


  • Floor Vibration Isolators
  • Ceiling Vibration Isolators
  • Back Draft Dampers
  • Motorized Back Draft Dampers
  • Discharge Screen
  • Square Duct Inline Connectors
  • Inlet Rings For Round Duct
  • Side Discharge Left
  • Side Discharge Right
  • Low Pressure Square to Round Discharge Adapter


SIFBD with Ceiling Vibration Isolators SIFBD


Models VSIF11BD thru VSIF36BD and Models VSIF15BDHP thru VSIF36BDHP 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 VSIF11BD thru VSIF36BD and Models VSIF15BDHP thru VSIF36BDHP are ETL Listed under report number 3100959CRT and comply with UL705 and CSA C22.2, No. 113 Standards.

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.