To be used with the mosqui go electric ref 319 30 handy foil wrapped insect repellent tables will keep your plug ins refreshed to make sure those pesky mosquitos find someone else to nibble on technical info replacement tablets for mosqui go electric ref 319 pack of 30 foil wrapped one tablet treats 20 cubic metres 8 10 hours protection per tablet approved under the control of pesticides regulations 1986 for use as directed hse no8828 contains d allethrin 4 6 ww