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Y-Duct Adapters

At R.E. Williams, we carry a complete selection of ventilation parts to keep your home or business’ air fresh. View our selection of Y adapters for circular ducting. Build the ventilation system that fits your needs at R.E. Williams. Our Y-Duct adapters are a great way to increase airflow in any floor plan. We carry four Y-Duct adapters to fit your inline fan with ease. Each adapter is constructed with galvanized sheet metal to prevent corrosion and wear. This material allows for use in damp and humid areas.

If you are looking for long-lasting, durable and energy efficient ventilation parts, our selection will impress. Find everything you need to eliminate stale air and outside contaminants from your building at R.E. Williams. We offer the latest zero maintenance fans, ducts and adapter models at prices that will fit your budget. Try any of our Y-Duct adapters to increase airflow in your business.

Model A* B* C* D E
FY 4 4 4 4 10 1/2 12 1/2
FY 6 6 6 6 12 1/2 13 1/2
FY 866 6 6 8 13 16
FY 8 8 8 8 10 14

Dimensional information in inches. *) Duct connections are 1/8" smaller than duct size

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