The McAlpine R31 ¾" Screened Tank Breather is a plumbing fitting designed for water storage tank ventilation. Its screened design prevents debris, insects, and other unwanted materials from entering the tank, ensuring water quality. The breather allows air intake while blocking contaminants. Made from durable, corrosion-resistant materials, it is compatible with various water storage tank models and easily installed using standard plumbing techniques. The McAlpine R31 integrates seamlessly into existing plumbing systems. It is a reliable and efficient solution for water storage systems, helping to maintain water quality by preventing the entry of debris and insects. Available in ¾", 1¼", 1½" and 2" sizes and WRAS approved.