HVAC Duct Manual Volume Backdraft Damper with Adjustment Handle 1/4" Valves (See picture

(See picture

35mm DIN Rail or Screw On

Body Material Forged high-quality solid brass Operation Mode N/C (normally closed) Pipe Size 3/8" NPT Voltage DC 24V Diaphragm Seal Material NBR

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HVAC Duct Manual Volume Backdraft Damper with Adjustment Handle 1/4" Valves (See pictureHVAC Duct Manual Volume Backdraft Dampers with Adjustment Handle Designed for demanding applications where durability and smooth operation are paramount, Ace Crew's Heavy Duty Manual Vent Dampers provides exceptional performance in even the toughest environments. Durable Material: The body is made from 22 gauge galvanized steel material. The flap blade is made from silicone which provides a tight seal. Constructed with sturdy components to ensure