Filter/Spargers for Low Pressure

This filter/sparger combines filtration and sparging in a single unit, with our Last Drop design. It features a PEEK tripod connector for the solvent line, and a nut and ferrule for the sparging line.

Product Catalog Table

* Flowrate measured with methanol/water (1:1), ultrasonic degassed, helium sparging to prevent regassing.

Overview [Tab]

The Last Drop filter/sparger combines filtration and sparging in a single unit. A flat filter element sits parallel to the bottom of the reservoir, ensuring all but the last 2% of mobile phase is filtered without drawing air into the system.

The PTFE housing contains a mobile phase filter with stainless steel, PTFE, or hydrophobic PE filter element. The filter/sparger features a PEEK tripod connector which slips into 1.5 mm, 2.2 mm, or 3.5 mm ID solvent lines, and a nut and ferrule for the sparging line. The spargers have a porosity of 10 microns.

Specifications [Tab]

Materials: [link these to Polymer/Metals info pages, anchor linked]

• Stepped tubing connector for 1.5, 2.2, and 3.5 mm ID tubing
• 1/4-28 nut with ferrule for 1/8" OD tubing

TECH TIP

We recommend using metal-free PTFE filters for sensitive biochromatography applications where metal surfaces may corrode or interact with samples.

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SEE ALSO: Last Drop Mobile Phase Filters