Universal new construction frame-in can be used to assist installing can-less recessed downlighting. Helps indicate wiring location and cutting guide. Includes multiple cut outs for 1", 2" and 4' Iolite Can-less LED downlights. Compatible Luminaires: NIOC-1LED: 900lm LED Module for 1" Iolite Can-less NJCB-09: 9W Driver Box for 1" Iolite Can-less NIOC-24LED: 1250lm LED Module for 2" & 4" Iolite Can-less NJCB-12: 12W Driver Box for 2" & 4" Iolite Can-less NMW-4: 4" M-Wave Can-less Downlight