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The Innovative Hearth Products 77L77 is a direct vent 90 elbow designed for efficient fireplace venting. This component features an inner diameter of four and one-half inches and an outer diameter of seven and one-half inches. It is suitable for connecting chimney sections and facilitating proper airflow in residential heating systems.
This direct vent elbow connects securely and provides a tight fit, ensuring safety and efficiency in your heating system.
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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