#5316 Isolation kit$18.00 #5316 Isolation kit quantity Add to cart Description Description Isolation kit eliminates contact between #1066 through hull fittings and metal hulls, preventing galvanic process corrosion. Related products Add to cart #4401: 3.5″ Warm Air Duct Insulation (per foot) $7.00 Add to cart #3425: 75mm Air Intake Grille/Scoop $125.00 Add to cart #2467: Exhaust Vent (thru hull duplex) $167.00