Central Life Sciences manufactures a complete line of products for controlling insect pests. Strike, Strike Pellets and Strike Ultra offer easy, practical solutions to control midge and filter fly infestations in wastewater treatment facilities. They control infestations within days, eliminating the risk of costly facility shutdowns due to insect contamination. Strike products contain methoprene, an insect growth regulator. Easy to use, Strike products are EPA-approved and won't harm beneficial microbes.