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The Metal-Fab 4DWT is a 4-inch wall thimble. It adjusts from three point two five inches to five point five zero inches. This component is approved for use in the USA and Canada, making it a reliable choice for your venting needs.
Designed for direct vent chimney systems, the Metal-Fab 4DWT ensures durability and safety.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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