The Tandem Joining Kit is for use with unheated tandem air curtains. These include the LoPro 2 (LPV2) and Phantom (PH10 and PH12) units from 84" - 144" long. It can also be used to join any 2 unheated units together for a pleasing appearance.
The tandem joining kit is a non-load bearing connection for the cosmetic joining of 2 units. It is available in both Obsidian Black (J0120-OB) and Peal White (J0120-PW), to match your air curtain.