200588 AXEON PVC-Series Nylon Saddle Clamp 4" features a strong, corrosion-resistant nylon saddle. Designed for a 4" diameter, this versatile AXEON product ensures lasting durability for a variety of applications. Used to mount AXEON PVC-Series 4" membranes. Manufacturer recommends a minimum of two clamps and four saddle inserts per vessel for support.