The XLure R.T.U Fabric Insect Trap, aka XLure FIT, has a replaceable cartridge that contains multiple pheromones to attract several insects of fabric:  Clothes Moth, both Casemaking & Webbing, the Black Carpet Beetle and the Varied Carpet Beetle.  Holes in the top of the trap body allow entry of the moths while the bottom of the trap allows dark enticing entry for the beetle