Bottle Caps and Plugs
If you are looking for bottle cap and plugs that is quick and easy and still gives you plenty of options— look no further. Our bottle caps and plugs offer an inexpensive and extremely simple solution. Our bottle caps are manufactured of inert Tefzel® (the white, inner part) and polypropylene (the colored, outer part), and they fit the standard GL-45 and smaller-neck GL-38 bottles. They are pressure rated at 15 psi.