* Exact same color light as the $24.00 55W 7,100K CF bulbs on the site!
* This bulb is what we call a "frankenbulb", as it's glass tube is similar to a straight pin configuration, but the pins are Square.
* Works in any standard Square Pin socket, both 55W OR 65W.
* Nice 'blue light' if you are trying to offset any yellow in your tank.
* 65W / 55W Compact Fluorescent style bulb.
* Length: Glass Tube= 19 3/4", Overall (end to end)= 21"
* Width: Glass Tube= 1 3/8"