https://nadair.com/recessed-slim-lights/product/mounting-plate/
Mounting Plate | Nadair - Recessed Slim Lights
Jul 27, 2023 - Adjustable mounting plate for Ultra slim light serie AMP-SL3: 3 1/4'' HOLE AMP-SL4: 4 1/4'' HOLE AMP-SL6: 6 1/4'' HOLE
mounting platenadairrecessedslimlights