... alloy , GRP 3.AC220V 4.ExedmbIICT4/DIPA20TA,T6 Explosion proof fluorescent fitting Type BYSApplication1.Used in Zone 1,Zone2, Zone20.Zone21,Zone22 ... 220V 4 Tube options:T8 Bi-pin fluorescent tube(1*36W,2* 36W) T5 Bi-pin fluorescent tube(1*28W,2*28W) 5 ... polyester)BYS-1×18ET8 Bi-pin fluorescent181150Electronic G13Exed IICT4DIPA20TA,T6 IP65 BYS-2×18E362300BYS-1×36E362850BYS-2×36E725700BYS-1×20RT10 single ...