Jandorf
1/8 ip x 1/8 ip, zinc, ceiling hickey, use to mount drop ceiling light fixtures, 1 end of the hickey screws onto the existing nipple at the outlet box, second nipple is screwed onto the other end of the hickey.
GE Color Select LED 25 Watt Replacement, T8 LED Tube Bulbs (2 Pack)
GE Color Select LED 30 Watt Replacement, T8 LED Tube Bulb (1 Pack)
Cooper Lighting Halo HLBSL609FS5 Round 6" Slim c-Canless LED Downlights
Leviton 004-3152-8 Porcelain Keyless Screw Terminal Lampholder ~ 660w
Leviton 003-124-D Pigtail Type Incandescent Lampholder