The G23 bases include the normal press-in, secure wire terminal connection on the bottom, 2 pins positioned on either side of plastic housing with single snap connector. Every Purely UV 100% quartz replacement lamp in the chart below is guaranteed to fit the G23 Base and is available with volume pricing. Click on the Purely UV bulb to see volume pricing.
| Bulb Number | Type | Length |
| PUVH2305 | Germicidal | 5 |
| PUVH2309 | Germicidal | 9 |