HOUSEHOLD INSECTICIDE MORTEIN Weight: 605G. MORTEIN POWER KILLER CRAWLING INSECT KILLER 550ML is a powerful insecticide that will quickly and efficiently kill any crawling or flying insects. Unlike other insecticides that use harmful chemicals, Mortein Power Killer Crawling Insect Killer is made with a naturally occurring ingredient that will not harm the environment. The Mortein Power Killer Crawling Insect Killer is a powerful product that helps to keep your home free of crawling insects. It quickly kills all crawling insects, including bed bugs, ants, and spiders. The Mortein Power Killer Crawling Insect Killer is easy to use and comes with a handy instruction booklet.