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Nora 5 Inch Cobalt Click 1000Lm LED Retrofit Square /Square Regress 12W 4000K Pewter/White 120V 0-10V/Triac/ELV And 277V 0-10V Dimming (NLCBC2-55640PW/10LE4) Tier7 Advance IZTMH210315RLFM Electronic Metal HalideNora 5 Inch Cobalt Click 1000Lm LED Retrofit Square Square Regress 12W 4000K Pewter White 120V 0 10V Triac ELV And 277V 0 10V Dimming (NLCBC2 55640PW 10LE4)