About the Product Mortein Flying Insect Killer Spray is formulated to kill dengue and malaria-causing mosquitoes. This spray has a unique formulation to keep dangerous mosquitos and flies away. Use it to protect your home and family against all flying insects. It leaves behind a fresh scent.

Mortein insta 5 mosquito repellent, as the name suggests, is effective in killing mosquitoes immediately, typically within 5 minutes of plug in. The refill bottle fits all devices (except good knight express). ... Liquid vaporizer bottle shall last for 45 nights in approved use of 8 hours per night.