Skip to content
  • 💥 With free shipping and exclusive offers, the 2025 Black Friday sales are coming! Shopping becomes more convenient and you save more! 🌠 Save up 8% OFF, Code:HRQ0FH
  • 💥 With free shipping and exclusive offers, the 2025 Black Friday sales are coming! Shopping becomes more convenient and you save more! 🌠 Save up 8% OFF, Code:HRQ0FH
Air Filtration StoreAir Filtration Store
  • Fans & Ventilation
    • Inline Centrifugal & Mixed Flow Fans
    • Centrifugal Wall Exhaust Fans
    • HVLS Fans
    • Duct Axial Inline Fans
    • Cabinet Mounted Wall Exhaust Fans
    • Residential Fan Accessories and Ventilation Supplies
    • Shutter Exhaust Fans
    • Bathroom & Kitchen Exhaust Fans
    • Residential Inline Fans
    • Portable Interior Fans
    • Panel Mounted Wall Exhaust Ag Fans
    • Livestock/Dairy/Poultry Wall Exhaust Fans
    • Forward Curve Blowers
    • Spiral Reducers
    • Vane Axial Inline Fans
  • Dust Collector Filters
    • All DAMN Filter Cartridges
    • Donaldson Filters
    • Farr Filters
    • Oval Filters
    • ACT Filters
    • Micro-Air Filters
    • Farr Gold Series
  • HEPA & HVAC
    • HEPA Filters
    • Pleated Air Filters
    • High Efficiency (HEPA-like)
    • Metal Mesh Filters
    • Panel Filters
    • Asharae Pocket Bag Filters
    • Rigid Cell Filters
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

 

S&P SQB20 Belt Drive Square Inline Centrifugal Duct Fan .5 HP 4151 CFM Three Phase – SQB20QH3S

Home / Fans & Ventilation / Inline Centrifugal & Mixed Flow Fans
Sale!
S&P SQB20 Belt Drive Square Inline Centrifugal Duct Fan .5 HP 4151 CFM Three Phase - SQB20QH3S

$400.00 Original price was: $400.00.$95.99Current price is: $95.99.

Buy Now
SKU: SQB20QH3S Categories: Fans & Ventilation, Inline Centrifugal & Mixed Flow Fans
  • Safe Shopping Guaranteed
  • Buy with Confidence, Get Quality
  • Shop with Confidence
  • Service with a smile, always online.
Browse
  • Dust Collector Filters
    • ACT Filters
    • All DAMN Filter Cartridges
    • Donaldson Filters
    • Farr Filters
    • Farr Gold Series
    • Micro-Air Filters
    • Oval Filters
  • Fans & Ventilation
    • Bathroom & Kitchen Exhaust Fans
    • Cabinet Mounted Wall Exhaust Fans
    • Centrifugal Wall Exhaust Fans
    • Duct Axial Inline Fans
    • Forward Curve Blowers
    • HVLS Fans
    • Inline Centrifugal & Mixed Flow Fans
    • Livestock/Dairy/Poultry Wall Exhaust Fans
    • Panel Mounted Wall Exhaust Ag Fans
    • Portable Interior Fans
    • Residential Fan Accessories and Ventilation Supplies
    • Residential Inline Fans
    • Shutter and Through Wall Fans
    • Shutter Exhaust Fans
    • Spiral Reducers
    • Vane Axial Inline Fans
  • HEPA & HVAC
    • Asharae Pocket Bag Filters
    • HEPA Filters
    • High Efficiency (HEPA-like)
    • Metal Mesh Filters
    • Panel Filters
    • Pleated Air Filters
    • Rigid Cell Filters
  • Uncategorized
  • Description
  • Additional information
  • Reviews (0)

Features

  • Max CFM 4151
  • Belt drives permit easy performance adjustments when needed
  • Ideal for applications where space is limited
  • Non-overloading backward inclined wheel for efficiency at higher static pressures
  • AMCA Air and Sound Licensed
  • cULus 705 Listed
  • .5 HP
  • Three Phase
  • 700 RPM
  • ODP Motor Encloser

This SQB belt drive square inline centrifugal duct mounted fan is capable of up to 4151 CFM at 1/8″ static pressure. SQB units are the perfect selection for clean air applications where space is a leading consideration. AMCA licensed performance and UL listing assure that you’ve made a reliable selection.

SKU

SQB20QH3S

Weight (in lbs)

350.000000

Brand/Manufacturer

S&P

Blower Motor

Three Phase

Drive Type

Belt

Maximum CFM

4151

Motor RPM

700

Horsepower

.5 HP

Electrical

208 – 230 / 460 V, 3 Phase

Certification

UL

Height

46"

Width

37"

Depth

40"

Warranty

2-year fan housing warranty, 1-year motor warranty

Reviews

There are no reviews yet.

Be the first to review “S&P SQB20 Belt Drive Square Inline Centrifugal Duct Fan .5 HP 4151 CFM Three Phase – SQB20QH3S” Cancel reply

Related products

Sale!
US Fan Belt Drive Upblast Restaurant Grease Roof Exhaust Or Wall Fan 10", .25 HP, 208 Volts, 3 Phase
Quick View

Fans & Ventilation

US Fan Belt Drive Upblast Restaurant Grease Roof Exhaust Or Wall Fan 10″, .25 HP, 208 Volts, 3 Phase

$383.00 Original price was: $383.00.$96.99Current price is: $96.99.
Sale!
Hartzell Series 54G Belt Drive Vaneaxial Fan - 14"
Quick View

Fans & Ventilation

Hartzell Series 54G Belt Drive Vaneaxial Fan – 14″

$328.00 Original price was: $328.00.$97.99Current price is: $97.99.
Sale!
Infratech C-Series 39-Inch 2500W 240V Electric Infrared Patio Heater - CL25524SS
Quick View

Fans & Ventilation

Infratech C-Series 39-Inch 2500W 240V Electric Infrared Patio Heater – CL25524SS

$368.00 Original price was: $368.00.$98.99Current price is: $98.99.
Sale!
VENTS-US MV 250 PFs Plastic Round Diffuser
Quick View

Fans & Ventilation

VENTS-US MV 250 PFs Plastic Round Diffuser

$20.00 Original price was: $20.00.$14.00Current price is: $14.00.
Sale!
10" Stick On Bellmouth Without Damper
Quick View

Fans & Ventilation

10″ Stick On Bellmouth Without Damper

$92.93 Original price was: $92.93.$65.05Current price is: $65.05.
Sale!
Canarm 36 Inch Panel Mounted Direct Drive Single Speed Exhaust Fan 12,000 CFM 115/230V
Quick View

Fans & Ventilation

Canarm 36 Inch Panel Mounted Direct Drive Single Speed Exhaust Fan 12,000 CFM 115/230V

$332.00 Original price was: $332.00.$96.99Current price is: $96.99.
Sale!
Fantech FRD 24-14 Rectangular Inline Fan 2318 CFM Single Phase - FRD 24-14
Quick View

Fans & Ventilation

Fantech FRD 24-14 Rectangular Inline Fan 2318 CFM Single Phase – FRD 24-14

$354.00 Original price was: $354.00.$97.99Current price is: $97.99.
Sale!
TPI 56" Variable Speed Industrial Ceiling Fan - E56CF
Quick View

Fans & Ventilation

TPI 56″ Variable Speed Industrial Ceiling Fan – E56CF

$201.60 Original price was: $201.60.$95.99Current price is: $95.99.
MY ACCOUNT
  • My account
  • Wishlist
  • Checkout
  • Cart
ABOUT US
  • About Us
  • Returns & Exchanges
  • Delivery
  • FAQ
  • Contact Us
LEGAL
  • Privacy Policy
  • Shipping Policy
  • Payment Method
  • Term and Conditions
Signup for Newsletter

Sign up for exclusive offers, original stories, events and more.

    Copyright 2025 © www.airfiltrationus.com
    • Fans & Ventilation
      • Inline Centrifugal & Mixed Flow Fans
      • Centrifugal Wall Exhaust Fans
      • HVLS Fans
      • Duct Axial Inline Fans
      • Cabinet Mounted Wall Exhaust Fans
      • Residential Fan Accessories and Ventilation Supplies
      • Shutter Exhaust Fans
      • Bathroom & Kitchen Exhaust Fans
      • Residential Inline Fans
      • Portable Interior Fans
      • Panel Mounted Wall Exhaust Ag Fans
      • Livestock/Dairy/Poultry Wall Exhaust Fans
      • Forward Curve Blowers
      • Spiral Reducers
      • Vane Axial Inline Fans
    • Dust Collector Filters
      • All DAMN Filter Cartridges
      • Donaldson Filters
      • Farr Filters
      • Oval Filters
      • ACT Filters
      • Micro-Air Filters
      • Farr Gold Series
    • HEPA & HVAC
      • HEPA Filters
      • Pleated Air Filters
      • High Efficiency (HEPA-like)
      • Metal Mesh Filters
      • Panel Filters
      • Asharae Pocket Bag Filters
      • Rigid Cell Filters
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.