Sunlite LED Retrofit Light Engine, 5.5-Inch, 2700K Warm White, 23 Watt, Dimmable, Flush Ceiling Fixture LED Upgrade Panel, Energy Star Compliant, Commercial Grade, 90 CRI SUCLEARANCE They are 4 watt T5

They are 4 watt T5 tubes and have an average life span of 6

Lutron: AYCL-153P

medium base bulb offers 9 lumens of light output and has an average rated life of 8

Bulbrite's direct Compact Fluorescent replacement for Halogen PAR20 bulbs allow for better light output through their aluminum based reflector

it provides even lighting

Sunlite LED Retrofit Light Engine, 5.5-Inch, 2700K Warm White, 23 Watt, Dimmable, Flush Ceiling Fixture LED Upgrade Panel, Energy Star Compliant, Commercial Grade, 90 CRI SUCLEARANCE They are 4 watt T5Sunlites LED light engines allow you to convert your existing light fixtures into state of the art LED fixtures. Take advantage of their high lumen output and energy saving LEDs while producing an even light spread. The Sunlite LED light engines are suitable for most fixtures and are available in a wide range of sizes and color temperatures.