Phos-Chek Home Defense fire retardant, when used along with Firewise principles, can help a homeowner better defend their home from wildfire. Phos-Chek Home Defense is easily sprayed using a garden Sprayer. The Home Defense Home Kit includes both retardant, and a Phos-Chek tested five gallon sprayer that makes treating the area around your home fast and easy. The back pack sprayer included in the kit has a rechargeable battery operated pump so no manual pressurizing is needed. With the Home Kit, treating your property and protecting it from wildfire danger has never been easier.