California Pulse
Spray Booth Duct Work

Spray Booth Duct Work

Round and square duct, spiral duct, fittings, dampers, and roof components for spray booth exhaust systems.

Parts / Accessories

Exhaust Ductwork for Your Booth

California Pulse supplies the ductwork that carries exhaust from the booth fan to the outside: straight and insulated round duct, spiral duct, square duct, 90° and 45° elbows, dampers and square-to-round adapters, cleanouts, flanges, caps, roof curbs, fan stands, fan boxes, and motor covers. The tables below show every round and square duct part we sell and the sizes each one comes in.

  • Proudly Made in the USA
  • ETL Listed Systems Available
  • Backed by Warranty
  • Engineered Designs
  • Decades of Experience

At a Glance

Exhaust duct sizes we sell

Round duct

Available diameters: 12", 18", 24", 30", 34", 36", 42" and 48".

Round duct, part 1 of 2
PartSizes
Round Duct 4' Straight12" to 48"
Round Duct 4' Straight Insulated12" to 48"
Round 90° Elbow12" to 48"
Round 45° Elbow12" to 48"
Spiral Duct 7.5'12" to 48"
Spiral Duct 10'12" to 48"
Duct Cleanout (4')12" to 48"
Duct Ring / Flange12" to 48"
Round duct, part 2 of 2
PartSizes
ARV12" to 48"
Flashing & Storm Collar12" to 48"
Intake Cap12" to 48"
China Cap12" to 36"
Roof Curb12" to 42"
Fan Stand12" to 48"
Fan Box30" to 42"
Motor Cover12" to 48"

Square duct

Sizes in inches, width x height.

Square duct, part 1 of 2
PartSizes
Square Duct 4' Straight24x24, 30x30, 34x34, 36x36, 42x42, 48x48, 60x60
Square 90° Elbow24x24, 30x30, 34x34, 36x36, 42x42, 48x48, 60x60
Square 45° Elbow24x24, 30x30, 34x34, 36x36, 42x42, 48x48
Square duct, part 2 of 2
PartSizes
Square Damper24x24, 30x30, 34x34, 36x36, 42x42, 48x48, 56x48, 58x34
Damper Adapter, Square to Round24x24 → 24", 30x30 → 30", 34x34 → 34", 36x36 → 34", 42x42 → 42", 48x48 → 48"
Heater Discharge Damper24x24, 30x30, 36x36, 40x40, 48x48, 55x55, 60x60

Need a size that isn't listed? We can make any custom size your system needs. Send us your dimensions and we'll build it.

California Pulse buyer's guide cover

Free Resource

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Everything you need to size, spec, and buy the right system: finish quality, worker safety, code compliance, operating cost, and a step-by-step sizing worksheet.

Prefer to read it now? How to Choose an Industrial Spray Booth covers the same ground in the Learning Center, no form required.

Ready to build a custom solution for your business?

Contact California Pulse today for a consultation and discover how a purpose-built system can improve how your shop runs.