Procter Pest-Stop cat repeller rods are an effective, clean and environmentally friendly way to deter unwanted cats from fouling your garden. The rods are impregnated with a strong citrus scent which means cats will not foul the area where the rods are placed. Coming in a box of 4, each rod will protect an area of up to one square metre.The rods are unaffected by bad weather, such as heavy rain, so remain effective for up to 10 weeks, and their discreet design means they easily blend with any garden setting. Can also be used indoors for house plants, the rods are entirely safe to use around children and pets.