these work fine. The light is about what I expect from a 40 watt bulb. They are a bit larger than a regular bulb, but that's not a problem in my fixture. Converter is a nice addition.
π‘ Energy-Saving T2 Spiral CFL Bulb, 5000k Daylight, 23W (100W Equivalent), 1520 Lumens, E26 Medium Base, 120V, UL Listed - Pack of 8
7 Review
π‘ Compact Fluorescent Light Bulb T2 Spiral CFL - 4100K Cool White, 13W (60W Equivalent) - Pack of 2
6 Review
TCP CFL Double Circle Lamp, 200W Equivalent, Bright White (3500K) T6 Circline Bulb
8 Review
π F10T5-3000K Warm-White 16.5 in. - 10W T5 Fluorescent Tube, Warm White Color
8 Review
Luminescent lamp Camelion 11066 ultraviolet, E27, 26 W
12 Review
Bulbrite A19 Solana WiFi Connected LED Alexa Smart Light Bulb, Single-A19, Tunable 2200K-6500K Color Temperature, Frost Finish
28 Review
Linkind Dimmable A19 LED Light Bulbs, 60W Equivalent, E26 Base, 5000K Daylight, 9.5W 840 Lumens 120V, UL Listed FCC Certified, Pack Of 12
12 Review
20 Pack 5CCT 4FT LED T8 Ballast Bypass Type B Light Tube, UL/FCC Certified - 18W, 2300Lm, 3000K-6500K Selectable
21 Review