Media Bottle, Flask, Pipe, Hose Covers,

HPK covers provide a convenient means to cover bowls, flanges, flasks, beakers, containers, media bottles, and hoses. SMS, Alliance® and Tyvek®  materials are breathable, so when covering wet parts and equipment, moisture can still evaporate. They are puncture resistant and extremely tough and for other applications HPK’s Chemflex® material, is also available by special order. Each closure incorporates latex-free 1/4″ elastic create a positive seal around all openings.