Stainless Steel Flush Mount Wall/Floor Jbox Junction Box
Flush-mount junction box - GR10003 series - GEROS - waterproof / plastic / with knockouts
LEONLITE LED Flush Mount Ceiling Spot Light with Junction Box, Dimmable LED Integrated Spotlights for Corridor, Living Room, Hallway, 3000K Warm White, Pack of 2 - Walmart.com
Flush-mount junction box - 48 series - GEWISS - IP40 / aluminum / with knockouts
Flush Junction Box (FJB) - Accessory
electrical - Trim piece to allow flush install of exterior light with surface mount box - Home Improvement Stack Exchange
Cooper EGJ:10705L Junction Box For Flush Mounting in Concrete Size 3/4 in T193090 - TEAMEQUIP
Commercial Electric 5 in. Mini Closet Light LED Flush Mount with White and Bronze Trims Fits 3.5 in. 4 in. Junction Boxes 7-Watts 650 Lumens 564361410 - The Home Depot