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3" MC Conn Flex-Vent Non-Insulated Air Connector

Item: FD-3X25-UI
MFR: 057903000001

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Product Info


Use this non-insulated and economically priced flexible connector in medium to low pressure A/C systems and in air venting and drying applications. The corrosion resistant spring steel wire helix is laminated with multiple layers of clear and metallized polyester film, fully laminated with adhesive. Oversized for quick installation.


Weight1.3 Pound (lb.)
Width3 Inches (in)
Height9.375 Inches (in)
Country of OriginUSA
UPC or Barcode677431004565
Hazardous MaterialNo
EPA Cert RequiredNo
Length16.625 Inches (in)
ApplicationAir Distribution
Comments/NotesUL Listed - USA & CAN
ComplianceNFPA 90 A and 90 B
CompositionClear and Metallized Polyester Film
Core MaterialMetalized Polyester Film
Fire RatingMeets UL 181 & NFPA 90A-90B Fire Codes
Inside Diameter3"
Maximum Air Flow5000 FPM
Maximum PressurePositive = 10" (3-14" ID) 6" (14"-20" ID) Negative = 1" (3-12" ID) 1/2" (14-18" ID)
Maximum Temperature250°F (121.1°C)
Operating Temperature-20°F to 250°F (-28.8°C to 121.1°C)
Pressure RatingWG - Positive 10 inches (3"-14" ID), 6 inches (16"-20" ID) - Negative 1 inch (3"-12" ID), 1/2 inch (14"-18" ID)
TierMC Air Connector
UL ListedYes
UL RecognizedYes
Vapor TransmissionNone Un-Insulated
Warranty Offered10 Year Parts


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