Non-Insulated
Flexible Air Duct Product #: F4NI4" x 25' Flex Duct, Non-Insulated, Thermaflex S-LP-10, Non-insulated Air Connector, 5000 FPM Maximum Velocity Learn More- Flexible Air Duct Product #: F090-44" x 25' Flex Duct, Non-Insulated, 6000 FPM, 16" WC Positive, 1" WC Negative, High Pressure Multi-Ply Metalized/Polyester Core, Class 1 Learn More
