16″ 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

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

6″ Inch Flexible Aluminum Ducting Hose Insulated R-4.2 Air Duct Pipe for for Heavy Duty HVAC & Exhaust Ductwork Insulation – 25′ Feet Long

6" Inch Flexible Aluminum Ducting Hose Insulated R-4.2 Air Duct Pipe for for Heavy Duty HVAC & Exhaust Ductwork Insulation - 25

8″ Inch Flexible Aluminum Ducting Hose Insulated R-8.0 Air Duct Pipe for for Heavy Duty HVAC & Exhaust Ductwork Insulation – 25′ Feet Long – in Accordance with UL 181

8" Inch Flexible Aluminum Ducting Hose Insulated R-8.0 Air Duct Pipe for for Heavy Duty HVAC & Exhaust Ductwork Insulation - 25' Feet Long - in Accordance with UL

Global Industrial 32′ Flame Retardant Flexible Duct for 16″ Diameter Fan

Global Industrial 32' Flame Retardant Flexible Duct for 16" Diameter Fan -

PVC Flexible Duct Hose, HVAC Duct Hosing Flame Retardant for Ventilator Utility Blower Fan with Adjustable Rope and D-Ring, Easy Storage (16inx25ft)

PVC Flexible Duct Hose, HVAC Duct Hosing Flame Retardant for Ventilator Utility Blower Fan with Adjustable Rope and D-Ring, Easy Storage (16inx25ft) -

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 -