1200422 - 4" Thru Hull With Extension Black

Centek Exhaust Thru Hull With Extension Black - 1200422 - 4"

Centek Thru Hulls are constructed from compression molded fibreglass and will not corrode like conventional fittings made from bronze or stainless steel. Made from the same corrosion resistant and high temperature exhaust tubing as Centek Vernatube. Precise outside diameters facilitate perfect connections between sections of the tubing and flexible joints or hoses. The smooth, resin rich ID assures minimal flow restrictions to exhaust gases and cooling water flowing through the tubing. 

Vernatube is a resin impregnated glass filament tubing wound exclusively with a new fire retardant resin formulated for high temperature applications. Centek uses the fire retardant Vernatube to fabricate many of the basic components used to manufacture our wet marine exhaust systems. Centek Vernatube exceeds values for the class of materials designated as "self-extingushing".