What is a mosquito magnet?

Sometimes people who are especially attractive to mosquitoes are colloquially referred to as "mosquito magnets." The "Mosquito Magnet" is a patented mosquito trap, made by American Biophysics It's a machine that uses propane gas to mimic the C02, heat, and moistures that attracts mosquitoes to people. Then it vaccums the bugs into a net where they eventually die. They are not cheap. You need a new tank of propane ($15) and a lure ($4) every 21 days. You need some other supplies periodically. The machines sell for between $300 and $1500 depending on model.