Marctrip 5-pack T8 LED Light Tube, 4ft 18W(40W Equivalent) T8 Fluorescent Light Bulbs Replacement, 1980 Lumens, 5000K Daylight, Single-Ended Power Frosted Cover G13 Lighting Fixtures Light output 1980 lumens only use 18watts(Replace 48W fluorescent tube light), Save 50% on electricity bill of lighting comparing with the fluorescent light Frosted cover for anti-glare eye protection. CRI over 80,dramatically improve the appearance of products by allowing colors to appear clear, vivid and distinguishable Instant on without any delay, start so quick and quiet without any noise Easy Installation. International standard shape for T8 tube light-4ft, Easily fitted instead of traditional fluorescent tube lamps, bypass the starter and ballast before installtion Eco-friendly: mercury free