Product Description 6 Pack 1" Standard Pipe Clamp, Made Of Durable Polypropylene To Prevent Corrosion, Clamp Design Allows Pipe To Be Flush Mounted To Walls & Joists, Minimizes The Transmission Of Water Line Noise, Ribbed Design Allows Pipe To Cool Faster & Expand/Contract Freely, Polybagged. The product is manufactured in China. Easy installation and easy handling. From the Manufacturer Oatey products can be found in residential and commercial applications and have achieved excellent brand name recognition with consumers. All products are backed with the highest quality technical and customer support programs in the industry