Description
Groco 3/4″-1″ Backing Block: Versatile fit for multiple seacock sizes. Features threaded brass inserts for secure hull-side installation. Boasts 1/2″ rigid thickness that adapts to minor hull curves. Moisture-resistant and made from eco-friendly marine-grade PVC foam.
- Fits Seacock Sizes: 750 AND 1000
- Diameter: 4.29
- Insert Threads: 5/16″-18
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