Closed top, linerless screw thread caps. Made of Polypropylene Economical, one-piece construction Unique design provides exceptional sealing properties Color: Natural GPI finish: 15-415 Autoclavable

Caps are designed to fit GL 45 threaded ware. Autoclavable Solid top polypropylene Cap colors available in blue, white, orange, gray, green, or pink High-temperature version with red cap available