Pro-Pest Ready-to-Use (RTU) Bed Bug Monitors are now available in 144-count bulk (4 x 36 shrink-wrapped). The crush-proof monitors contain no pesticides, but provide up to 6 months of monitoring and costs pennies per day to monitor. They feature J.F. Oakes’ proprietary attractant, made from aggregation semio-chemicals that mimic the scent of human skin. Use them in college dorm rooms, apartments, cruise ships and more. Use in luggage when traveling, in furniture and under cushions. The monitors are discreet and slide easily under and behind furniture and along baseboards.