20" Roof or Wall Opening 12" High Curb

Aluminum Body With A Black Anodized Finish Rated At 2.2°C/W Designed For Use With Hockey Puck Style Solid State Relays Width 1.8"(46mm) x 3.7"(94mm) Long x 1.9"(48mm) High Din Rail Mounted OR Base Mounted Relay Mounting Holes Are 8/32 Threads Removes Heat Away From Solid State Relays

Airmaster Fan Model PACA25-8 EDP 31110  UPC 783429311109 Top Box = 25" Square Bottom Flange = 29" Square Roof Opening = 20" Square Curb Height = 8" Made In The USA  

Nylonic Compound Body Rated to 160ºc Two Each Terminals Iron(+) and Constantan(-) Four Terminals Total 28mm Wide X 13mm High X 63.7mm Long Two 4.5mm Holes Each End

Nylonic Compound Body Rated to 160ºc Four Each Terminals Iron(+) and Constantan(-) Eight Terminals Total 28mm Wide X 13mm High X 109.5mm Long Two 4.5mm Holes Each End