Catch Flying Insects 24/7 - This flying insect trap uses blue and UV light to attract and catch house flies, fruit flies and gnats. Its continuous attraction helps it catch insects day and night. Mess-Free Disposal - This indoor fly trap and gnat catcher uses a powerful adhesive backing you will never have to touch. The adhesive pad can discreetly catch bugs, and discreetly faces the wall. Easy-to-Use - To use, remove the sheet from its adhesive backing, insert the disposable cartridge and plug the indoor bug trap into locations where bugs frequent. When full, lift the cartridge out of the insect catcher, and toss it in the garbage. Versatile Placement - You can place this plug in bug trap in your kitchen, bathroom, garage, bedroom, dining room, enclosed patio or in any socket near plants. These insect traps can be used indoors for easy, year-round protection. Includes 1 Plug-In Device and 1 Cartridge - This plug in fly trap comes with one cartridge. Shop our full collection to stock up on refills to ensure you always have one on hand, or bring home a Value Pack with multiple devices so you can keep a fly catcher in every room.