As one of its daily deals, Woot offers the Ultimate Mosquito Killer and Pest Control LED Bulb 4-Pack for $29.99 plus $5 for shipping. That's $3 under our mention from last August, $8.75 per bulb, and the lowest price we've seen. (It's the best deal now by $8.) These dual-purpose bulbs features a UV light that attracts and kills mosquitoes and other bugs. Deal ends today.