Forged Thru-hulls and Adapters
GEM Forged Thru-Hulls are a revolutionary new product, utilizing nylon 6/6 adapters to achieve endless plumbing capabilities.
- Single piece forging process ensures higher and more consistent quality
- Compliant with ABYC 500# static load testing
- Unlimited plumbing capabilites by using Nylon 6/6 adapters to fit your application.
- New "Duck Bill" product improves the age old flapper system currently used by many.
- Only two different hole saw sizes, and one man installation reduce installation time
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