Each Hydrophobic Filter (17 mm, 0.45 Micron; Acrylic, PTFE) typically provides ~30 days of steady use.
Part #: RX-AFT20-FILTER
Replacement pack of 10 hydrophobic filters for the AFT20 Gas Sampling Interface Kit.
Use of Hydrophobic Filters (and Nafion Drying Tubes) is optional but highly recommended to prevent moisture buildup.
Filters should be replaced monthly.
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