The CO M/R Irrigation L4010 Manual Anti-Siphon Valve is a garden water control device made of PVC material. This valve has a 1-inch length and a round shape, designed to prevent water siphoning in irrigation systems. With a weight of 0.99 pounds, this valve operates manually and is an essential component for managing water flow in outdoor spaces. Easy to install and maintain, this product ensures precise control over watering in gardens and other outdoor areas.