#2449: 45mm Exhaust Insulation (per foot)$5.00 #2449: 45mm Exhaust Insulation (per foot) quantity Add to cart Related products Add to cart #2460: Exhaust Vent (closeable duplex) $271.00 Add to cart #5635: 2.5″ Warm Air Duct (per foot) $10.00 Add to cart #3410: 3″ Warm Air Duct (per foot) $10.00