4″ wall thimble for horizontal venting through the outside wall. Features a built-in, fail-safe gasket and locking band connection. Adjustable width from 4″ to 7″.
- AL-294C stainless steel
- Designed for category II, III and IV heating equipment
- Simple gasketed connection – No sealant required
- Features the highest pressure rating in the industry
- UL and cUL approved
- Compatible with all Z-Vent products






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