(10) 3/4" Grey Rieke Poly Plug (bung) with PV-TFE-1 vent

The POLY-VISEGRIP closures are specially designed for use in lined containers. With a high degree of chemical resistance and a capacity to withstand extremely cold temperatures, these plugs perform under a wide array of storage and transport conditions. These 3/4" plugs are equipped with a Micro-Porous Gauze Vent that allows two-way venting for either pressure or vacuum relief. Chemical manufacturers appreciate the design capabilities of Rieke Packaging Systems' reversible vents. POLY-VISEGRIP CLOSURES: Require no gasket. Fit NPS threads. Can be cap sealed with a plastic SAFESEAL or metal VISEGRIP II cap seal using standard crimping equipment. Meets UN Packaging Standards.