Rentokil small space fly killer is perfect for use in smaller rooms it lasts for up to 3 months and kills flies moths and even mosquitoes the pack contains 2 easy to hang units which leave a pleasant fragrance that freshens your roomeach unit protects up to 6 cubic metres simply position in a suitable position ideally away from strong draughtswarningtoxic to aquatic organisms may cause long term adverse effects in the aquatic environment keep out of reach of children and always read