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Hi-Velocity System™ HE Assembled Flexible Duct Kit, 10 ft Length, 2-3/4 in Diameter, 0.5 in-WC, 10 in-WC, Fiberglass, R-Value: R4.2, 5000 fpm Velocity Rating
Hi-Velocity System™ HE Assembled Flexible Duct Kit, 10 ft Length, 2-3/4 in Diameter, 0.5 in-WC, 10 in-WC, Fiberglass, R-Value: R4.2, 5000 fpm Velocity Rating