Rentokil Insect Pen

Apply the pen direct to windows and other surfaces where bugs are landing or crawling – kills flies, ants, mosquitoes and other insect pests indoors and domestic situations on contact. Clear and odourless The Rentokil Multi Surface Insect killer contains 1.5% w/w

Flies are attracted to ultraviolet light in sun light. When they land on window panes they are likely to climb towards the top. Apply the pen along the top of window panes. Replenish every so often and after the windows have been washed.
For ants apply in a continuous line across entry routes and ant trails. Do not apply to food preparation surfaces.

Always read the label and use pesticides safely