4 x 15W 15 Watt 18 Inch 18" T8 Bug Zapper Insect Attracting Lamp UVA Replacement Tube Bulbs for 30W Electric Fly Killer Incl Starters

【Specification】4 pieces of T8 F15W BL365 bulbs, length 435mm (about 18 inches), including pins 450mm, diameter 25mm (1 inch).4 spark starters are included. 【Compatibility】Suitable for all 30W fly killers. 【Efficient trapping】BL365 bulbs with a wavelength peak of 368nm are most suitable for attracting flies, termites, mosquitoes, moths and other flying insects. 【caution】The inside of the bulb contains metal particles or gaseous metal that excite UV-A light, you may hear a clicking sound when you shake the bulb. We recommend that you replace the starter of the fly killer when you replace the bulb (Please ignore this for machines without starter).