2010 Extruded Aluminum Fluorescent Fixture Features: 1)Extruded aluminum housing with electro-chemical treatment.2)Streamlined profile3)Opal diffuser provides wide luminance without glare for eye-protection4)High efficient and energy saving magnetic ballasts, no noise and low temperature rise, with 10 years working life.5)High-efficient electronic ballast, with power factor of 0.95 or up and 3 years warranty.6)Light color will not change for 10 years under normal application. SPECIFICATIONSmodelspecA(mm)B(mm)C(mm)packing(cm)(set/ctn)MZJ-Y004440PS4x40W125537672131x19x43.52MZJ-Y004240PS2x40W125523665131x19x29.52MZJ-Y004430PS4x30W95037672101x19x29.52MZJ-Y004230PS2x30W95023665101x19x43.52MZJ-Y004420PS4x20W6453767270.5x19x43.52MZJ-Y004220PS2x20W6452366570.5x19x43.52MZJ-Y004236PS2x36W9012366596x19x29.52MZJ-Y004428PS4x28W120537672126x19x432MZJ-Y004228PS2x28W120523665126x19x292MZJ-Y004421PS4x21W9053767296x19x432MZJ-Y004221PS2x21W9052366596x19x292MZJ-Y004414PS4x14W6053767266x19x432MZJ-Y004214PS2x14W6052366566x19x292