... Dustproof, Anticorrosive t5 double tube fixture is designed especially for dankish, dusty and shaking circumstance. Such as various powder ... ABS/PS; high quality ABS, PC for body, PC, PS and PMMA for the diffuser.IP rating: IP65.Working voltage: 220V ... resistantDiffuser: PC or PS material with computer designed pattern for high light distributionBallast: Electronic ballast or Magnetic ballastLamp holder ...