The QuietFlex Rip-Stop Silver Jacket Flex Duct has a metallic, polyester “ vapor barrier with a special œrip-stop inches scrim reinforcement.
**THIS PRODUCT WILL ONLY BE SOLD WITH THE PURCHASE OF AN AIR CONDITIONING UNIT OR SYSTEM, NOT ON ITS OWN**
Core:Two tough plies of black polyester film encapsulate a steel wire helix. Rated pressures per UL-181: 10 in. W.C. positive, 1/2 W.C. negative. Rated max. air velocity: 4000 FPM
Thermal Characeristics:R-6 certified by Underwriters Laboratories Inc. and the Air Diffusion Council in accordance with ADC Flexible Duct Performance and Installation Standards using ASTM C-518 at installed wall thickness on flat insulation only.
Vapor Barrier:A durable black polyethylene vapor barroer provides improved protection against ultra violet light. High tensile multi-directional fiberglass scrim is used under the vapor barrier to provide additional strength and tear resistance. Perm rating of 0.1 perms when measured per ASTM E96, Method A.
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