View cart “#3410: 3″ 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 #5316 Isolation kit $18.00 Add to cart #2467: Exhaust Vent (thru hull duplex) $167.00 Add to cart #2460: Exhaust Vent (closeable duplex) $271.00