Specifications:

• Warranty period: 1 year
• Voltage: 90-260V
• Power Tolerance: 1%
• Power: 21-30W 31-40W
• Model Number: Fluorescent Butterfly Light Bulb, 4-pin
• model: 2D 21W 28W 38W
• Luminous Flux: 1000
• Light type: Fluorescent Rare earth phosphor three primary colors 6500K White
• Item Type: Fluorescent
• Color: White
• Color Temperature: Cool White(5500-7000K) 6500k
• Color Temperature: Cool White(5500-7000K)
• Color Rendering Index (CRI): 80
• Color Classification: CFL Fluorescent T5 tube 28W 21W 38W 21W butterfly butterfly tube
• CFL: Fluorescent butterfly shape tube
• Certification: ce
• Certification: CCC
• Brand Name: coospider
• Average Life (hrs): 8000HR
• Application: Indoor
• Application: Commercial
• Rare earth phosphor: Rare earth phosphor three primary colors
• Origin: CN(Origin)
• Color Temp(K): 6500K