Often used in task lights, these four-pin wedge base bulbs are comparable to PL, Dulux, and Biax bulbs.

Energy efficient and long lasting, these four-pin bulbs are often used in task lights. They’re comparable to PL, Dulux, and Biax bulbs.

Prongs on the side of the base plug into specialty track lighting fixtures.

These bulbs lock into GU24 light sockets with a twist.