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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:
MR. HEATER 15,000 BTU Radiant Single Tank Top Propane Heater
Comfort Glow EUH341b Milkhouse Style Electric Heater 5,200 Btu
Mr. Heater 10,000 BTU Vent Free Radiant Propane Heater
EZ Flow II 16x24x1-In. Flat Panel Spun Fiberglass Furnace Filter
Flanders NaturalAire Standard Air Filter, MERV 8, 18" x 20" x 1"