Keeps Killing Up To 16 Weeks! Kills bed bugs, fleas, brown dog ticks and spiders. Water Based. Specifically geared for use on the re-emerging pest problem of bedbugs (Cimex lectularius ) in commercial and residential accounts. Can be used for a variety of bedbug harborage areas, including mattresses, wall-ceiling joints, baseboards, behind and underneath furniture, cushions and furnishings, etc. Kills Bedbugs, Fleas, Ticks, Spiders and insects listed on the label.