Easy to install, no modifications to the lamp needed, no messing around with old ballast. Plugs into the existing 4 prong plug that the old bulb did. Female connector housing is a bit larger than the mating recess around the male connector on the bulb...  Read More

Both bulbs start making a clicking noise and then turn off. The connector seems to be located differently.

This product advertises as compatible with a standard ballast. New ballasts cost more than the lamp and are difficult to install. This should not be marketed as a drop-in replacement for fluorescent circular lamps.

These bulbs have a warmer color, very easy on the eyes. Way cooler than incandescent lamps! The bulbs are a lot more expensive, but they saved me from replacing my whole garage door opener. The only question is the longevity of these bulbs given the l...  Read More

They seem to work as advertised. They are a little pricey but at least they work well.

The light is just what i like. Much brighter. Really happy with the brightness. Good bright light as well.