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 ensure 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.
Thru-Hull Dimensions Chart - Straight (inches)
|Black Part #
||White Part #
|| Chrome Part #
|| D (hose)
||Thru hull - Straight - 1" Hose - Black
||Thru hull - Straight - 1" Hose - White
OEM - Bulk 50/Box
Distributor Packaged - 12/Box