Exhaust Thru Hull with Flapper 3 in. Black | Centek 1200299

Centek's fiberglass thru hull with flapper valve is designed for marine exhaust applications.

3 in. Black Exhaust Thru Hull with Flapper | Centek 1200299

• Exhaust thru hull fitting
• For use with 3 in. inside diameter marine exhaust hose
• Includes rubber flapper to prevent backflow of water into the exhaust system
• Black color
• Made of compression molded fiberglass
• Will not corrode like metallic thru hulls
• 4 pre-drilled mounting holes
• 5 1/2 in. length
• 3 in. shank length
• 4.88 in. flange diameter
• Replacement flapper repair kit P/N 1200313