ZTEC™-B Polyethersulfone Membrane Cartridge Filters

Pleated Polyethersulfone (PES) Membrane for Bioburden Reduction in Beverages and Biopharmaceuticals

ZTEC-B Bioburden Reduction grade membrane cartridges provide consistent performance for bioburden reduction and particle removal across a wide range of beverage, pharmaceutical and biological fluids. The naturally hydrophilic PES membrane filters provide exceptional flow rates, long on-stream life, broad chemical compatibility and have no added surfactants to contribute to extractables. The cartridges are integrity testable and steamable to assure reliable service in critical applications.

Filter Features– Benefits

  • Manufactured in an ISO Class 7 Cleanroom Environment
  • 100% flushed with 18MΩ water and integrity tested
  • Meets USP Class VI Biological Test for Plastics
  • All materials are FDA listed for food and beverage contact
  • Repeatably Steamable/Sanitizable
  • High retention (LVR>7) of yeast and other spoilage organisms
  • Pore size, lot and serial number are stamped on each filter element for identification and traceability

Typical Applications

• Bottled Water • Opthalmic Solutions • Culture Media • Reagent Chemicals • LVPs • Buffers • Juices

Filter Specifications


Asymmetric Polyethersulfone membrane

Inner core, end caps, cage:


Support layers:

Spunbonded Polypropylene

Gaskets/O-Rings options: Buna-N, EPDM, Silicone, Viton, Teflon Encapsulated Viton (O-Rings only)
Micron ratings:

0.2 μm, 0.45 μm, 0.65 μm

Dimensions and Operating Parameters

P (DOE), P2 (226/flat), P3 (222/flat), M1 (3/4’’ male NPT), M2 (1’’ male NPT)

Nominal lengths:

9.76″ 10″ 20″ 30″ 40″
24.7, 25.4, 50.8, 76.2, 101.6 cm

Outside diameter:

6.9 cm

Inside diameter:

2.54 cm

Surface Area

7.5 ft2. (0.7 m2) per 10 inch element

Maximum operating temperature:


Differential pressure:

80 psid @ 70°F (5.5 bar @ 21°C)

40 psid @ 176°F (2.8 bar @ 80°C)


Performance Specifications

Hot DI Water

Filter cartridge will withstand temperatures of 185°F (985°C) for up to 30 consecutive minutes.


Compatible with most common chemical cleaning, sanitizing and sterilizing agents and with pH range from 1–14. Consult factory for specific compatibility information.


Cartridges may be steamed or autoclaved for at least 50 thirty minute cycles @ 275°F (135°C).

 Typical Bacterial Retention Performance

0.2μm: LRV for B diminuta 8  
0.45μm: LRV for S. marcescens11 LRV for L. brevis 10  
0.65μm: LRV for S. cerevisiae10 LRV for L. brevis 7  

Integrity Test Specifications

Minimum Bubble Point values and maximum Diffusive Air Flow (per 10-inch cartridge) values for ZTEC-B filters wet with water:

Pore Size Bubble Point Diffusive Air Flow
0.2 μm: 38psig (2.6 bar) 35cc/min @ 30psig (2.1 bar)
0.45 μm: 25psig (1.7 bar) 35cc/min @ 20psig (1.4 bar)
0.65 μm: 18psig (1.2 bar) 35cc/min @ 15psig (1.0 bar)

FDA Listed Materials

All materials comply with FDA title 21 of the Code ofFederal Regulations Sections 174.5, as applicable for foodand beverage contact.