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Builders Best
The A220 Plain Ends is a Class 0 Duct used as supply, return or exhaust. It solves the need for a stronger than average semi rigid general purpose venting duct.
Designed for low and medium operating pressuresSame construction as the V320, but with plain endsMade of non-combustible corrugated aluminumShips compressed to 24″
3″ x 10′ and 4″ x 10′ are now available as A-Seam™ with unique compression that takes less space:
Comfort Zone 360° Ceramic Heater In Black
Speedi-Products 4-Inch Diameter Louvered Plastic Hood, White with 11-Inch Long Tailpipe (4" x 11", White)
Empire 30000 Btu Natural Gas Thermostat Radiant Vent-Free Heater, White (30000 Btu, White)
KeroHeat Convection Heater
Builder's Best UL 181 Flexible Foil Ventilation Duct, 4" x 8', Aluminum/polyester
