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> 4FT led T9 fluorescent tube 102PCS smd leds 22W 6500K .
4FT led T9 fluorescent tube 102PCS smd leds 22W 6500K .
4' LED T9 Fluorescent Tube w/102pcs SMD LEDs 22W 6500K
Use 12 hours per day of 40W traditional fluorescent lamp w/5W ballast for 1 year cost is $23.65.
(12hrx45Wx365)/1000=197.1kwh. 197.1x$0.12=$23.65
Use 12 hours per day of 12W LED fluorescent lamp for 6 month cost is $11.56.
(12hrx22Wx365)/1000=96.36kwh. 96.36x$0.12=$11.56
Save $12.09 per year on electric bill and 3 times of replacement cost $15.00. Total saving is $27.09 per year. And saving the environment is priceless.
When 50pcs 4' 22W LED lamps used in a standard office w/4 rooms, it can save you $1354.5 per year.
Traditional 4' Fluorescent Tube
