Original bathroom trade vintage catalog for EFRON INC. Corporate office was located at 7519 S. Greenwood Ave., Chicago, IL. Manufacturer of Showerite bathtub and shower enclosures. Offering the broadest choice of high quality enclosures to fit standard size opening, fiberglass modules and custom applications. Tryton and Pacer by-pass, Series 700 deluxe folding enclosures shown. Also Norfe in-fold, Tryton door-n- panel, Tryton neo-angle shower door, custom door and two panel, door and end panel and custom by-pass door and two stationary panels pictured. How to measure custom openings in four easy steps given. This unique old 1982 four page architectural specifications brochure would make a marvelous addition to your retro engineering library. Pages are loose and contain a small amount of residual glue on edge.