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Milligard® PES 1.2/0.8 μm, Opticap® Small Scale 300 Capsule

Fittings 9/16 in. Hose Barb Inlet and Outlet, Method Gamma-compatible or Autoclavable

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polyester support
polyethersulfone membrane
polypropylene housing (Gamma Stable)
silicone O-ring

Quality Level

product line





bioburden reduction: suitable

L × W

12.9 cm (5.08 in.) × 6.4 cm (2.5 in.)

filtration area

0.032 m2 (0.34 ft2)


Milligard® PES

pore size

1.2/0.8 μm


inlet and outlet for 14 mm (9/16 in.) (Hose Barb)

General description

Milligard® PES 1.2/0.8 μm filters are designed for reliable particulate removal from a broad range of fluid streams. When used upstream of sterilizing-grade filters or other unit operations, they improve processing efficiency.Milligard® PES filters are supported by the Emprove® Program which consolidates product specific testing, quality and regulatory information to simplify compliance needs.


Bioburden Reduction

Features and Benefits

  • Fast flow and high throughput
  • Validated bioburden reduction
  • Predictable scalability from small-scale to production-size devices
  • High thermal stability: compatible with steam-in-place and autoclave sterilization methods
  • Single-use, gamma-ready formats
  • Caustic stable


PE Bag

Other Notes

Directions for Use

Organism Retention: Microorganism
Mode of Action: Filtration (size exclusion)
Application: BioProcessing
Intended Use: Reduction or removal of microorganism/bioburden
Instructions for Use: Please refer to Opticap® Small Scale 300 Capsule, XL, XLT and T-line Capsules User Guide
Storage Statement: Store in dry location
Disposal Statement: Dispose of in accordance with applicable federal, state and local regulations.

Legal Information

Emprove is a registered trademark of Merck KGaA, Darmstadt, Germany
MILLIGARD is a registered trademark of Merck KGaA, Darmstadt, Germany
OPTICAP is a registered trademark of Merck KGaA, Darmstadt, Germany


Filters are designed, developed and manufactured in accordance with a Quality Management System approved by an accredited registering body to the ISO 9001 Quality Systems Standard. Certificate of Quality is available online for all filters.

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