For the best Gemaire experience, please update your web browser.

ATCO 05102504 - 4" x 25' 3-Ply Uninsulated Air Connector

Item: 05102504
MFR: 05102504
What’s the price?
Sign in or register for pricing.

Your Order Templates
Save products for later, or create lists to quickly re-buy items for routine jobs.

Add to Order Template

Inventory At Nearby Branches



Atco 4" x 25' 3-Ply Uninsulated Air Connector
  • Atco's UPC #050 is a UL 181 Class 1 Air Connector which meets the requirements of NFPA (90A & 90B). UPC #050 is manufactured with a tough triple ply duct wall construction. 25' lengths, which can be easily cut to desired length, are compressed and packed in small, easy to store cartons.
  • The UPC #050 is air-tight and is designed for low to medium operating pressures in HVAC systems.
  • A triple lamination of tough metallized polyester, aluminum foil and polyester encapsulates a steel wire helix and forms the air-tight uninsulated flexible duct of Atco's #050.
  • Durable Metallized Polyester, Aluminum Foil, and Polyester
  • Laminate Construction, Tear and puncture resistant, Low maintenance, Flexible and Maintains Shape
  • Easily handled and installed, Low labor cost, Air-tight and Energy efficient
  • Encapsulated Wire Helix, No unraveling when cut to length, Quick installation and Smooth Inner Core
  • Low friction loss, Low operating cost, Lightweight Compact Carton and Reduces warehouse and job site handling costs.


NameATCO 05102504 - 4" x 25' 3-Ply Uninsulated Air Connector
Gemaire Item Number05102504
Manufacturer Product Number05102504
SKU - PIM Number1375441725688
ERP Number91073
Unit of MeasureEA
Weight2.1 Pounds (Lb)
Length10.0 Inches (In)
Width10.0 Inches (In)
Height10.0 Inches (In)
Hazardous MaterialNo
EPA Cert RequiredNo
Country of OriginUSA
Jacket MaterialPolyester
Vapor TransmissionNone
ApplicationAir Distribution
CertificationsNone Provided by Manufacturer
Core MaterialPolyester/Wire Helix Core
FeaturesDurable, Flexible, Air-Tight, Smooth Inner Core, Lightweight
Fire RatingFlame Spread: Less than 25, Smoke Developed: Less than 50
Inside Diameter4"
Maximum Air Flow5000 FPM
Maximum Pressure10" W.G.
Maximum Temperature180°F (82.2°C)
Operating Temperature-20°F to 180°F (-28.8°C to 82.2°C)
Pressure Rating6" w.g. pos., all dia., 3/4" w.g., all dia.
Warranty OfferedYes
ComplianceUL 181, NFPA 90A & 90B, SBCC, BOCA, Cities of Chicago, New York, County of Dade (Florida).
UL ListedYes
TierUPC #050
GEM - Case Quantity


Parts List

Tell Us How We Can Improve Your Shopping Experience - click here!