I converted three 4ft T12 fluorescent lamps with these tombstones, replacing the old fluorescent tubes with 18w Hyperikon 4000K T8 LED tubes (see my 5 star review). Now the light is on at full brightness in my unheated shop and I don't have to worry about changing lamps for years.
π‘ Feit Value Pack 13w=60w Soft White CFL EcoBulbs - Save Energy with this Convenient 1 Box Bundle
5 Review
Sylvania 20318 Compact Fluorescent 4 Pin Single Tube 4100K, 13-watt: Efficient Lighting Solution for Any Space
10 Review
π F10T5-3000K Warm-White 16.5 in. - 10W T5 Fluorescent Tube, Warm White Color
8 Review
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
Set Of 4 Geeni Prisma Wi-Fi Multicolor LED Light Bulbs, 1050 Lumens, 2700K, Dimmable, No Hub Required, Compatible With Alexa And Google Assistant, 75-Watt Equivalent
41 Review
E12 T22 Low Voltage Edison Bulb LED 12V-24V Vintage Tubular Night Light Bulb 1W 100 Lumen LED Candelabra Light Bulb 2700K 10W Equivalent Small Filament Bulb For RV,Out Door String Lights, Pack Of 25
15 Review
Bulbrite A19 Solana WiFi Connected LED Alexa Smart Light Bulb, Single-A19, Tunable 2200K-6500K Color Temperature, Frost Finish
28 Review
Lamp LED Ergolux 13638, E27, A60, 15 W, 4500 K
12 Review