2FT 20W TUBE SIZE: Each bulb is T8, 2ft (58.5-60.6 cm L), 20W, with approximately 2.5 cm diameter, compatible for 40W units. Check your existing bulbs to ensure the correct size before purchasing.
RESTORES UV ATTRACTION POWER: Fresh UV lamps help attract mosquitoes, flies, moths, gnats, and other flying insects toward the electric insect killer grid.
