The Taco 110-252SF is a 1" stainless steel freedom pump flange designed to fit OO circulators. It features a hassle-free and quick installation with its easy on/off. This flange comes in pairs and as an accessory for the following pumps: the 005, 007-0011, 0013, 0014, 110-113, and the 1400-10/20/45/50 circulators. It is made of stainless steel for added durability, and resistance to wear, and even vibration. Please note that this flange is not compatible with 003 and 0012 pumps. Taco is a company that produces plumbing and HVAC products ranging from pipes, fittings, parts, and more. By providing residential, commercial and as well as industrial plumbing solutions, Taco has created a wide variety of products to choose from. Here at PlumbersStock, customer satisfaction is our greatest goal. We strive to obtain the best quality products like this one and offer them at a relatively low price. PlumbersStock offers a range of products like faucets, toilets, plumbing supplies, and much more!