Acarosan Dust Mite spray for carpets and rugs is EPA registered to kill dustmites that live in carpets, which aids in a complete cleaning program. The patented microsponge technology removes dustmites and their waste with an unscented water based formula. Easy to use just spray on and vacuum up to clean away dust mite waste. One treatment kills dust mites for up to two weeks! The Acarosan Dust Mite Spray is most effective on mattresses, upholstery, and pillows.