extension damper for sale, brand-new and used.

Greenheck Vector H Isolation FAN VK-H-12-M30-X High Plume Laboratory Exhaust Blower Fan EXPLOSION PROOF PREMIUM EFFICIENCY3-PHASE INDUCTION MOTOR EQP III

[ Dayton 100-240V For 24 In Fan Diameter Motorized Damper

Greenheck Damper MBD-15 Manual Balancing Damper 12"x12" Galvanized Includes Part #464599 Extension Pin Kit & Manual Quadrant

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Speedi-Products SM-DWVG 05 3.25-Inch Height by 10-Inch Width Galvanized Wall Vent with Damper and 5-Inch Extension

AO Smith Water Heater This auction is for a new AO Smith industrial water heater. Model BT 365. The unit has extensive damage to the sheet metal cover.