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All Teflon/PFA Media

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The Citadel Pleated Membrane Cartridges feature a PTFE Membrane and PFA Structural components to provide excellent chemical and temperature resistance for aggressive chemical applications such as Etchers, Strippers, Cleaners and Bulk Chemicals. The All-Fluoropolymer construction provides for the highest level of fluid purity and will exhibit rapid rinse-up to 18 MΩ-cm resistivity and single digit PPB levels of TOC. Citadel Filter Cartridges are produced and manufactured in an ISO cleanroom and are 100% integrity tested to ensure performance standards.



• Manufactured, flushed, tested and packaged in an ISO Class 7 Cleanroom Environment

• Filters are flushed with 18 MΩ-cm DI water to ensure low extractables and low particle shedding

• 100% Integrity tested to provide reliable performance

• Resistivity rinse-up to 18 MΩ-cm and single digit PPB TOC levels with minimal throughput

• Pore size ratings of 0.05, 0.1 and 0.2 micron to meet a broad range of applications

• Wet-pack option available to eliminate the requirement for solvent pre-wetting in aqueous applications



• Outside Diameter - 2.7"

• Inside Diameter - 1.0"

• Surface Area (per 10") - 7.9 Sq. Ft. (0.5 µm), 8.9 Sq. Ft. (0.1 & 0.2 µm)

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