FabricAir®, Lawrenceville, Ga., the original manufacturer of fabric HVAC duct, introduces the Internal 360° Hoops, a shape retention system that holds fabric HVAC duct in a 100-percent inflated appearance even when air handlers are off or in variable fan speed modes. Internal 360° Hoops consists of flexible fiberglass rods formed into a hoop shape by connecting two custom-length rods using pre-attached steel couplings. Each rod is concealed inside its own fabric holding sleeve that’s undetectable… Read More