Since 1944, Bernard Dalsin Manufacturing (MFG) is a family-owned and operated company based in Farmington, MN, specializing in producing chimney accessories and venting supplies. Bernard Dalsin MFG is the producer of well-known products such as Pro-Form™ Direct Vent Systems, Dalsin Line® Chimney Liners and Fittings, CHIM-A-LATOR® Deluxe Top Sealing Dampers, CHIM-A-LATOR® Chimney Caps and AIR-A-LATOR® Fresh Air Intake Devices just to name a few.
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