HVAC Premium 16” Inch Flexible Aluminum Ducting Hose Insulated R-4.2 Air Duct Pipe for Heavy Duty HVAC & Exhaust Ductwork Insulation – 25′ Feet Long in Accordance with UL 181 R-4.2 Yellow

HVAC Premium 16

Allegro Industries 9600-500 Layflat Ducting, 500′, Fits 16″ and 20″ Blowers

Allegro Industries 9600-500 Layflat Ducting, 500

RectorSeal Fortress Lineset Ducting 84005 Lineset Covers, Easy Installation, HVAC, 3.5″ 12′

RectorSeal Fortress Lineset Ducting 84005 Lineset Covers, Easy Installation, HVAC, 3.5" 12' - Ducting Components -

Global Industrial 16″ Portable Ventilation Fan With 32′ Flexible Ducting

Global Industrial 16" Portable Ventilation Fan With 32' Flexible Ducting -

RectorSeal Fortress Lineset Ducting 84105 Lineset Covers, Easy Installation, HVAC, 4.5″ 12′

RectorSeal Fortress Lineset Ducting 84105 Lineset Covers, Easy Installation, HVAC, 4.5" 12' - Ducting Components -

Dri-Eaz F268 Poly LayFlat Ducting, 13″ Width

Dri-Eaz F268 Poly LayFlat Ducting, 13" Width: Science Lab Cleaning Supplies: Tools & Home Improvement

Allegro Industries 9535-12L Air Bag 12, 12″ Blower with 25′ Ducting

Allegro Industries 9535-12L Air Bag 12, 12" Blower with 25' Ducting: Tools & Home Improvement

Cuchiilo 12 Inch 25 Feet Insulated Flexible Duct R4.2,12 Insulated Flex Duct,12 Inch Insulated Flexible Duct HVAC, Ac Flex Duct 12 Inch Insulated, for Heating and Air Conditioning HVAC Systems

Cuchiilo 12 Inch 25 Feet Insulated Flexible Duct R4.2,12 Insulated Flex Duct,12 Inch Insulated Flexible Duct HVAC, Ac Flex Duct 12 Inch Insulated, for Heating and Air Conditioning HVAC

14″ Inch Flexible Aluminum Ducting Hose Insulated R-6.0 Air Duct Pipe for for Heavy Duty HVAC & Exhaust Ductwork Insulation – 25′ Feet Long – In Accordance with UL 181

14" Inch Flexible Aluminum Ducting Hose Insulated R-6.0 Air Duct Pipe for for Heavy Duty HVAC & Exhaust Ductwork Insulation - 25