... Replacement Tube Lamp (T5 Diameter, 280lm) Item No.: T5-24W Product: LED Replacement Tube Lamp (T5 Diameter, 280lm) Item No.: T5-24W Description: 1 ... ) Light output: 280lm 4) UV-resistant PMMA tube housing, with T5 bi-pin socket at both sides 5) Qty of LED ... bright Tri-chip White SMD LEDs 6) Length: 50CM 7) T5 Diameter: 1.6CM (5/8 inch) 8) Ambient Temperature: -20 ...