These polypropylene (PP) filter holders assemble quickly and efficiently with a specially designed inlet cap and exterior lock. This allows for ease of use without damaging or tearing membranes. Suitable for use with liquids and gases these holders feature a maximum operating temperature (liquids) of 176°F (80°C). The 25-mm holder has a maximum operating pressure of 42 psi (2.9 bar) and 71 psi (4.8 bar) for the 47-mm holder. Both are autoclavable.