Quickly make main line connections with the Fernco TST-6 tap saddle. It is the faster & less costly way to make sewer main connections. Manufactured from a specially formulated high durometer PVC and is rigid yet flexible enough for sewer mains. The 4” saddles fit pipes 6”+ and the 6” saddles fit pipes 8”+. Fernco tap saddles include special “slip-lock” clamps of 300 series stainless steel that cause fast and simple installations on any type of pipe. Conforms to ASTM D5926. Resistant to chemicals, ultraviolet rays, fungus growth, and normal sewer gases