16" Opening Back Draft Damper

Aluminum Body With A Black Anodized Finish Rated At 0.6°C/W Designed For Use With Hockey Puck Style Solid State Relays Width 3.2"(81mm) x 5.89"(149.6mm) Long x 3.6"(91mm) High Din Rail Mounted OR Base Mounted Relay Mounting Holes Are 8/32 Threads Removes Heat Away From Solid State Relays

AC Motor Fan Controller Infinitely Variable Speed Control Contains An On/Off Line Switch A High Gain RFI Noise Suppression Filter An Adjustable Trimpot To Set The Minimum Speed A Flame Retardant ABS Enclosure

Airmaster Fan Model BD14.5A Backdraft Damper 14-1/2" Square For 13" Square Opening Wall or Roof Mounted Gravity Close EDP 32452  UPC 783429324529 Made In The USA