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Finish your installation with a clean, professional look 🔎 See how our Thru-Wall Thimble is a cost-effective solution to clean up your thru-wall penetrations while providing a tight seal to keep weather and insects out ❌ Pull your line set, pipe, or wiring thru and punch out the foam gasket to size. Chef's kiss 👌 Our thimble is available in circular or rectangular shapes and multiple sizes, with models available for new construction and retrofit jobs. Search for: Thermo Manufacturing Part # 44002 Thermo Manufacturing Part # 44008 Thermo Thimble
