Effective mosquito protection tablets designed to be used with an electric vaporizer. Compatible with bros vaporizer, as well as with other standard electrofumigators.One tablet provides up to 10 hours of protection and the active substance is gradually released by heating from the device.The used tablet changes color The replacement of the tablet is performed only when the power grid is switched off. After use, the vaporizer is excluded from the contact.Method of use:remove the tablet from the pack, place it in the vaporizer slot, turn the device on the power grid.