View cart “#5635: 2.5″ Warm Air Duct (per foot)” has been added to your cart. #2449: 45mm Exhaust Insulation (per foot)$5.00 #2449: 45mm Exhaust Insulation (per foot) quantity Add to cart Related products Add to cart #5430: Cold Air Inlet Vent $12.00 Add to cart #3413: 75mm Warm Air Wye $72.00 Add to cart #4401: 3.5″ Warm Air Duct Insulation (per foot) $7.00