This is Edson's 33' X 1.5" ID x 1.93” OD, EPDM tube with Polyethylene helix replacement Pumpout Hose. It comes complete with 1.5" MNPT (Male National Pipe Thread) fittings installed on each end. It is a two part construction of a smooth bore flexible carrier and a rugged outer spiral cap. This pump out hose material is extremely flexible, crushproof, collapse-proof and abrasive resistant. It can be used with any suction pump and at 104 degrees F has a vacuum rating of 28" Hg and pressure rating of 35 psi.