HOUSEHOLD INSECTICIDE MORTEIN Weight: 450G. MORTEIN CRAWLING INSECT KILLER 375ML is the all-in-one solution for controlling crawling insects in your home. With a fast, effective, and safe formula, it will kill crawling insects on contact. The easy-to-use applicator makes applying Mortein Crawling Insect Killer a breeze and the pleasant scent means you wont have to smell bug spray after spraying. This product targets both insects and spiders; its effective, easy to use, and doesnt have any harmful chemicals. The Mortein Crawling Insect Killer can help! This product kills crawling insects on contact, making your life much easier.