Marshall Excelsior Propane Adapter ME475P highskyrvparts.com Propane Adapter Fitting Marshall ExcelsiorME413P Marshall Excelsior Propane Adapter Fitting ME1331 Low Pressure RV Marshall Excelsior Propane Fitting Tee ME1700A highskyrvparts.com. Propane Adapter Fitting; Tee Style; Number 60 POL (Prest O Lite) With O Ring x 1 Inch 20 MNPT; Brass; Single; With Round Brass Handwheel; With Plastic Clamshell For over 30 years Marshall Excelsior Company has been a progressive manufacturer of top quality and competitively priced LPG and NH3 equipment that is leading the industry in innovation and low emission products. We offer a full range of products that support the LPG and NH3 Bulk Plant, Transport, Delivery Dispensing, and Domestic applications. End Type1: Male Prest O Lite (POL) End Type2: 1 Inch 20 Male Threads Material: Brass Quantity: Single