Caps, Bottle, GL45 or GPI38

An inexpensive bottle cap for either GL-45 or GPI-38  threads that permits standard solvent or media bottles  to be used as an HPLC reservoir.  Caps have two holes  to accomodate 1/8" tubing and one hole that accepts a  standard luer inner joint.  Caps are made from polypropylene and the inserts are made from Tefzel.  Complete cap assemblies consists of the cap, tefzel insert, (2) plugs for the 1/8" tubing openings and a plug for the opening.