Keystone's DirectDrive compact LED bulbs are an energy efficient, long lasting, CFL bulb replacement for a variety of applications. Keystone’s UL Type B 4-pin LED bulbs provide 50% energy savings when compared to a typical CFL fixture and have 4x the useful life.

Using a UL Type B ballast bypass design, these DirectDrive 4-pin LED bulbs eliminate the need for an external driver or ballast. By offering a CFL bulb replacement with ballast bypass capabilities, Keystone takes away any guesswork of ballast compatibility. This makes installation quick and easy and with a 50,000 hour lifetime, you won’t need to replace these compact LED bulbs any time soon.

This Keystone PLL lamp is the KT-LED17PLL-22GC-8(XX)-D, it consumes just 17 watts of energy and is approximately 50% more energy efficient than the standard FT40/2G11 lamps. The insolated integrated driver eliminates the need for an external ballast or driver. This lamp produces between 2,050-2,200 lumens of 3000K warm white, 3500K bright white, 4000K cool white and 5000K daylight, for a total of 80 CRI. These lamps have a long life of 50,000 hours and come with a 5 year warranty.

Keystone 22 Inch Direct Drive 2G11 PLL LED Lamp Specification Sheet