The Dyson asthma and allergy kit has 3 attachments for simplifying your home or office cleanup. The flexi crevice tool can be extended or bent to vacuum the space behind furniture, between cabinets and other hard-to-reach areas. The mattress tool effectively traps dust, fiber, pet hair other allergens from upholstery and mattresses. The Dyson cleaning kit comes with a mattress tool adapter for easy attachment. The included dusting brush has soft bristles to vacuum blinds, keyboards and television screens. These vacuum cleaner attachments are compatible with most Dyson upright and canister vacuum cleaners.