Housing: 0.5mm pressed sheet steel in powder coated finish. Diffuser: Opal or reeded acrylic diffuser. End cap: Moulded ABS material end cap. Lampholder: T5,T8 lampholder available for AAG,ED,VS,HE or BJB etc. Ballast: electronic ballast available for Tridonic, Fulham, Advance, Osram.Universal etc. Application: offices, corridors and communal areas in most healthcare, education or commercial applications. MX464-Y14x2 T5 2x14W 590x208x68mm 630x405x225mm 5 MX464-Y21x2 T5 2x21W 890x208x68mm 930x405x225mm 5 MX464-Y28x2 T5 2x28W 1190x208x68mm 1230x405x225mm 5 MX464-Y35x2 T5 2x35W 1490x208x68mm 1530x405x225mm 5 MX464-Y18x2 T8 2x18W 630x208x68mm 670x405x225mm 5 MX464-Y36x2 T8 2x36W 1240x208x68mm 1280x405x225mm 5