Shieldtox Violet Mat Refill 90's Shieldtox is a brand that the consumer can depend on for pest problems (i.e. mosquitoes, cockroaches, ants, etc) effectively. Available in different formats like aerosols, coils, mats and liquid vaporisers catering to different needs of the consumer. Shieldtox effective formula kills even hidden Aedes mosquitoes*, ensuring your loved ones are always safe and protected. Features & Benefits • 10 hour protection against aedes mosquitoes • Effectively repels aedes mosquitoes for 10 hours • Use in bedrooms and living hall