Mann Lake DC665 10-Pack Apistan Strips Apistan is used for detecting and controlling Varroa Mites in bee colonies Effective control may be achieved by treating hives in the spring before the first honey flow and in the fall after the last honey flow 1 Strip for every 5 frames of bees is recommended Includes 10 strips per pack Measures 13-1/2-inch length by 4-5/8-inch width by 4-5/8-inch height