REFILL - Device sold separately. Ensure your home is protected from flying insects with the Zevo Flying Insect Trap Refill - compatible with Zevo Full Size and Zevo Max Flying Insect Trap. Captures flying insects onto an adhesive backing that you never have to touch. Use in the Zevo Indoor fly trap to attract flying insects (house flies fruit flies and gnats) throughout your home for 24/7 continuous protection. Zevo Indoor Fly Traps attract household pests using a unique combination of blue and UV light to trap pests on an easy-to-change trap cartridge. For best results place Zevo Indoor Fly Traps in an outlet close to where you normally see flying insects; avoid competing light sources like windows. Great for use in kitchens bathrooms garages and living spaces or near sources of food such as fruit bowls bananas apples strawberries trash cans doors house plants etc. Check your cartridge regularly by pulling up on the tab; replace the cartridge when it’s full of insects. *fungus gnats & non-biting midges.