The Stoddart Plaster Arrestor offers the ideal plumbing protection for any area where plaster build up is costly and time consuming; such as schools, hospitals, infirmaries and medical and veterinary practices. Fully welded and seamless, these stainless steel units contain a sealed rim for water tightness, and stainless steel mesh strainers to ensure effective cleaning. In essence, the Plaster Arrestor is designed for strength and longevity.