The 47 mm filter holders are designed for in-line liquid or gas filtration. They open and close easily without disturbing the filter disc.•Designed for in-line liquid or gas filtration•Easy open and close•Available in a variety of materialsThey are available in polycarbonate and aluminum.For venting and air monitoring applications, the sturdy plastic construction of the lightweight polycarbonate 47 mm in-line filter holder is ideal.For stack sampling applications, the 47 mm in-line filter holder in anodized aluminum is a durable and cost-effective choice.For excellent chemical resistance and continuous processing of fluids at high pressure, the 47 mm in-line filter holder in stainless steel is recommended. This product is not approved for use in medical, clinical, surgical or other patient applications.