This is an Interfit Fluorescent 28 watt replacement bulb for the INT 116, INT 117, INT 111, INT 112, INT 113, INT 216, & INT 217
Reviewed by 1 customers
Use this bulb in conjunction with other fluorsecent bulbs to light the subject of your photograph. The more bulbs used the brighter the subject. I install 9 bulbs per soft box and than select the number of bulbs needed for the shot.