FeaturesBallasts are CBM/ETL class P and are positively secured by mounting boltsPressure lock lamp holdersSuitable for damp locationsLighting grade, baked white enamel finishMulti-stage, iron phosphate pretreatment ensures maximum bonding and rust inhibitionPositive spring loaded, self locking, steel latchesSafety lock T-hinges allow hinging and latching from either sideDie formed of low iridescent, vertical grain anodized aluminum and anodic oxide coating louverAccurate precision parabolic cells are held in place with interlocking featureTrue-cut mitered cornersBlack reveal with integral mechanical light seal around entire perimeter of louverLouver protected from construction contaminants by polyethylene cover3 in D louverBlank side/floating louver non-air supplySilver finish louver2 rows of 6, 12 cells1 ballast factorCold rolled steel housing materialProvided with CEE-listed energy saving ballasts