harris carpenter ant killer & termite control treatment, 128oz spray harris famous roach tablets harris carpenter ant & termite control kills carpenter ants and termites in indoor and outdoor settings. this ready to use formula keeps killing carpenter ants for up to 1 month. kills argentine, fire, harvester and pharaoh ants. read and follow label directions. a viable alternative to bait stations, foggers, stakes, and foam. this treatment can be used indoors and outdoors as needed.