Junction Box. Material: Aluminum. Dimension (W x D x H): 134mm x 134mm x 55mm. Pipe Thread: N/A. Operating Temperature: -40ºC ~60ºC. Humidity: 0~90% RH. Load Bearing: 3Kg. Applicable Model: CA-FW[I], HAC-HFW[E], HAC-HDW[M], IPC-HFW[E], PFB120W, PFB121W.