T-H Marine - #1 Plastic Thru-Hull Supplier in the U.S.A.

Our molded Thru-Hull fittings are used by more OEM boat builders than any other brand.

All T-H Marine Thru-Hull Fittings are made of the highest quality virgin material to insure consistent size, extra durability and attractive appearance.

All materials are UV stabilized to provide longevity.

T-H Marine has worked with major hose manufacturers to guarantee that our hose barbs have the exact specifications to fit hose securely so that your installations will be trouble free.

Dimensions: 1-7/8" x 5-3/8" x 3-3/8"