Get rid of dust mites Ben, aged 2, suffers from severe skin allergies, but within three days of this electronic device being placed in his room, his condition cleared up with no medication. Just to be sure, his mum unplugged it & the painful rashes returned. (You can see photos on our website). Not surprisingly, he now sleeps with it all the time. It works by emitting ultrasound waves at exactly 40, 000 Hz, which eradicates dust mites by interfering with their breeding & feeding cycles. Totally silent & inaudible to pets & humans, it is astonishingly effective. Fully guaranteed, the Dust Mite Repeller covers an area of 62m 3
- sufficient for a medium-sized bedroom or sitting room.