High strength insect repellent in an aluminium pump action spray formulated to provide protection for up to 10 hours in heavily infested areaslife systems expedition 100 100ml insect repellent spray is a high strength formula that combines the effective repellent action of deet to ward off insects with the insecticidal action of natural pyrethroids to help prevent insects which do land on your skin from biting the formula provides maximum protection for up to ten hours in heavily infested ar