8 watt 12 inch in length ulta violet replacement bulb tube for electric fly killer zappers.

The tubes are 12 inches in length and half inch diameter

The most common ultra violet bulbs on the market ideal for 8 watt and 16 watt models

F8W   BL350 and BL368

If you are unsure please phone or email us with you unit name or model number and we will confirm if the bulbs are correct for your unit.