200589 AXEON SS-Series Nylon Saddle Clamp 4" features a strong, corrosion-resistant nylon saddle and stainless steel construction. Designed for a 4" diameter, this versatile AXEON product ensures lasting durability for a variety of applications. Used to mount AXEON SS-Series 4" membranes. Manufacturer recommends a minimum of two clamps and four saddle inserts per vessel for support.