... ,antiseptic CE&ROHS&EMC T8/T5/T10 600mm t5 double tube fixture Waterproof, Dustproof, Anticorrosive t5 double tube fixture is designed especially for dankish, dusty and ... computer designed pattern for high light distributionBallast: Electronic ballast or Magnetic ballastLamp holder: G13Certificates: CE, GS, RoHS, EMC etc t8 tube light fixture waterproof