The ONLY Detection Trap with a removeable replaceable glue cartridge. How it works:. Use as a passive trap between your mattress & box spring between your sofa cushions on the floor or any place you suspect bed bugs. Use with BEAPCO s innovative BB Magnet to actively attract bed bugs through the use of heat and CO 2 . Bed Bugs crawl up the rubberized rim and fall into the recessed glue cartridge. The hinged clear lid allows you to see if any bed bugs are trapped without having to touch. Replace glue cartridge when bed bugs are present and monitor frequently for bed bug activity. Features & benefits:. Easy open hinged lid for removing bugs trapped in glue cartridge. Rubberized outer rim help the bugs to climb easily into the trap. Unique replaceable glue cartridge immobilizes bed bugs. Perfect for travelling or everyday bed bug protection at home. No touching bugs - discard the cartridge and replace with a new one.