BL0604M1A-DWB,60F 50 MM LT OUTDOOR DUCT
BL0604M1D-DT,60F 50 MM LT OFNP IN/OUT
BL0604M1F-DWB,60F 50 MM LT ARMORED BURIAL
BL0604M1M-DT,60F MM 50 LT SJ OFNR IN/OUT
BL0604M1Z,60F MM 50 LT LSZH IN/OUT
【NORGREN】BL07-201,
BL0721A1D.BK,72F 50 MM TB OFNP DISTRIBTN
BL0721A1R.BK,72F 50 MM TB OFNR IN/OUTDOOR