T8 4 FT 22 w NA Ul LED ???? ???

????????????? t8 4 ft 22 w na ul led ???? ??? ?????????? ???? t8 4 ft 22 w na ul led ???? g13 ????????????? ????????????????.Prudoct ?T8 4 FT 22 W NA????326????100 ~ 277VAC???50/60 HZ??> 0.95????G13??????/???/????? ??????3000 K4000 K ~ 6500 KLumens(typical)2200LM2400LMDR.=82SDCM=5.0THD< 18%?????180 °?????:1. to100lm/w???????? 87% ???50% ???????2. ????????????????????;3. ?????????????????? Robycon ?????????????????????????????.4.UL/cUL?FCC?RoHS ??.??;
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T8 4 FT 22 w NA Ul LED ???? ???