Raid Family Mosquito Refill, 30-night pack. This Raid family refill offers up to 90 nights of steady protection (about 8 hours per night) against both common and tiger mosquitoes, even with a slightly open window and the lights on. It’s designed as the brand’s first mosquito device with children in mind, suitable for kids’ rooms. - Gentle, all-night warm glow, ideal for young children - Fragrance-free - Odorless