D-Fense NXT is an effective and long-lasting contact aerosol, the company says. Its broad label allows applications both indoors and outdoors, on mattresses and surrounding bed frames for bed bug infestations, and in food/feed handling areas. General surface applications are also allowed. D-Fense NXT contains three different active ingredients with three distinct modes of action to help in the fight against insecticide resistance and providing contact, residual and long-lasting insect growth regulator (IGR) effects. Available in 15-ounce cans, D-Fense NXT contains 0.20 percent novaluron, 0.06 percent deltamethrin and 0.02 percent pyriproxyfen.