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Curtron S-MI-120-3 121" Medium Industrial Air Curtain - CUSMI1203

Curtron S-MI-120-3 121" Medium Industrial Air Curtain - CUSMI1203

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Curtron S-MI-120-3 121" Medium Industrial Air Curtain - CUSMI1203

Stop flying insects, airborne pollutants, and inclement weather from entering your establishment with Curtron S-MI-120-3! This medium industrial air curtain covers areas up to 120" wide and doors up to 14' high. Its housing is made of stainless steel for increased durability and endurance. The S-MI-120-3 has three 1-speed horsepower motors.

Features 
  • Covers areas up to 120" wide
  • (3) 1-speed 1 HP motors
  • For doors up to 14' high
  • Stainless steel housing
Specifications
  • Model: S-MI-120-3
  • Dimensions: 15" H x 121" W x 15.38" D
What our Experts Think
  • Medium-Duty Industrial Strength – Designed for frequent use in warehouses, factories, and distribution centers.

  • 121" Wide Coverage – Effectively seals large doorways against outside air, dust, and flying insects.

  • Energy-Saving Performance – Helps reduce heating and cooling costs by maintaining indoor climate control.

  • Cleaner, Safer Workspace – Improves sanitation by blocking contaminants from entering.

  • Durable Construction – Built for long-lasting reliability in demanding commercial environments.

Q&A

Q: What is the Curtron S-MI-120-3 Air Curtain?
A: A 121" wide medium industrial air curtain (model CUSMI1203) designed to provide a powerful air barrier for larger commercial and industrial doorways.

Q: What does it do?
A: Prevents dust, insects, fumes, and outdoor air from entering while maintaining interior temperatures and reducing energy loss.

Q: Where can it be used?
A: Ideal for warehouses, distribution centers, food processing facilities, and manufacturing plants.

Q: How does it improve efficiency?
A: Reduces heating and cooling costs, improves employee comfort, and helps maintain sanitation standards.

Q: What size openings does it cover?
A: Fits doorways and entrances up to 121" wide.

Q: Is installation straightforward?
A: Yes, designed for easy wall or ceiling mounting above large openings.

Maintenance Tips
  • Clean intake and discharge grilles regularly to maintain airflow efficiency.

  • Wipe exterior housing with a soft cloth and mild cleaner—avoid abrasives.

  • Inspect motor, fan blades, and wiring connections periodically.

  • Replace or clean filters per manufacturer’s schedule for optimal performance.

  • Check mounting hardware and brackets to ensure secure installation.