A spray-on treatment for fabrics and textiles that adds an effective layer of protection to the fibres, which lasts for several washes. Ideal for use on clothing, tents, mosquito nets, blankets, and sleeping bags. Treats up to 3.5 square metres of fabric. Contains: Permethrin 0.512% w/w, Pyrethrins and Pyrethroids 0.096% w/w. Each treatment lasts for up to 2 weeks. EX4 will last 2 years from when the bottle is first opened. The EX4 Anti-Mosquito Fabric Spray by Life Systems protects fabrics from the build-up of bacteria and biting insects, helping in turn to protect the user. Great for scaring away unwanted insects and beasties, the EX4 Anti-Mosquito Fabric Treatment adds a protective layer of repellent to your surroundings.