23 - HVAC Product Name CHPS Certificate CSI 3-Part Spec  
23 33 00 Air Duct Accessories Thermaflex PHD By Thermaflex
23 33 46 Flexible Ducts M-KC Flexible Duct By Thermaflex
23 33 46 Flexible Ducts EverClean™ Premium Flexible Duct By Thermaflex
23 33 46 Flexible Ducts S-TL Flexible Duct By Thermaflex
23 33 46 Flexible Ducts M-KE Acoustical Flexible Duct By Thermaflex