Pharmaceutical Filtration

Sterile-grade filtration for product safety, process reliability, and regulatory compliance across every stage of pharmaceutical manufacturing. 

Medical ampoule production line at a pharmaceutical factory

Your trusted partner for pharmaceutical filtration

For more than 25 years, DANMIL has delivered trusted filtration solutions to the pharmaceutical and biopharmaceutical industries. Our portfolio includes sterile-grade membranes, depth filters, and compact assemblies designed to support upstream synthesis, fermentation, and final fill. These filters are engineered for reliability, ensuring consistent product quality, microbiological control, and process efficiency. Each unit is manufactured in cleanroom environments and validated for bacterial retention, low extractables, and chemical compatibility, meeting global standards such as USP, ISO, and FDA.

Whether you're producing APIs, ophthalmic solutions, or biologics, DANMIL helps minimize contamination risks, streamline validation, and support regulatory compliance. Our solutions are built for traceability, repeatability, and scale-up, ensuring confidence from development to commercial production. With in-house expertise and responsive customer support, we enable pharma producers to meet critical performance and documentation goals at every stage of manufacturing.

DANMIL also supports specialized filtration needs across adjacent sectors. 

  • Biotechnology: Filtration solutions for upstream and downstream bioprocessing, including protein purification, single-use systems, and aseptic fill.

  • Medical devices: Sterile-grade filtration solutions for cleaning agents, surface coatings, and air or gas in device manufacturing.

  • Cosmetics: Filtration solutions for creams, serums, and actives, supporting clarity, microbial stability, and product consistency. 

Filtered performance across critical workflows

Filtration during API production must safeguard product quality while minimizing operator exposure to potent or hazardous compounds. DANMIL solutions are engineered for chemical compatibility, pressure resistance, and microbiological control. Our validated filters play a key role in solvent filtration, crystallization steps, and sterile handling of active ingredients, ensuring low bioburden and consistent product yields.

Key highlights include:

  • Supports sterile filtration of solvents, buffers, and drug substances

  • Helps control crystallization purity and reduce particulate burden

  • Compatible with aggressive compounds and challenging pH ranges

  • Designed to lower operator exposure during potent compound handling

  • Available in depth, membrane, and capsule formats for scalable applications

Ophthalmic formulations demand precise control over particles and microbial load, especially in products containing cellulose derivatives or preservatives. DANMIL filters maintain formulation stability while preventing microbial growth and ensuring reliable fill-finish. Our systems are built to reduce product loss and maximize batch consistency.

Key highlights include:

  • Clarifies viscous eye formulations without binding active ingredients

  • Minimizes preservative loss via low adsorption membrane design

  • Ideal for sterile filtration in lens care and prescription drops

  • High-flux filter options reduce processing time and cost per litre

  • Fully compatible with CMC or sensitive components like HPMC and EDTA

In fermentation processes, microbial control is essential, from the bioreactor air inlet to final downstream filtration. DANMIL’s filter systems provide contamination control for media prep, antifoam sterilization, and nutrient addition, ensuring productivity even in high-throughput or complex systems. 

Key highlights include:

  • Sterile filtration of air/gas inputs to reduce contamination ingress

  • Clarification of fermentation broth for downstream processing

  • Alternative to heat-sterilizing viscous antifoams like PPG

  • Solutions designed to reduce pressure drop and protect compressors

  • Compatible with acidic or nutrient-rich additions prone to spore growth 
     

Explore DANMIL products for pharmaceutical filtration

Micro & Membrane Filters

Sterile-grade micro and membrane filters for pharma, biotech, and beverage applications, ensuring product safety, purity, and compliance.
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Filter Cartridges

Sterile filter cartridges in PES, PTFE, PVDF, Nylon, and Glass Fiber, engineered for microbial safety and reliable performance in critical processes.
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Process Filter Housings

Durable filter housings for pharma, beverage, biotech, and industrial use, engineered for sanitary design, reliability, and seamless system integration.
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Frequently asked questions

All filters undergo integrity testing, bacterial challenge testing, and are supported with documentation on extractables, endotoxins, and leachables per USP biosafety and FDA requirements.

PES membranes are ideal for sterile filtration of eye care products, especially those with viscosity enhancers or preservatives.

Our portfolio includes depth filters for broth clarification, membrane filters for downstream purification, and sterile air filters for gas inputs.

Filtration Systems and OEM Solutions for Critical Applications

From sterile-grade cartridges to custom-built OEM assemblies, DANMIL delivers filtration systems tailored to your process. Our solutions support pharmaceutical, beverage, and chemical producers with validated performance, full traceability, and design flexibility. Built to meet global regulatory standards, each product is engineered for safety, seamless integration, and reliable operation across critical applications and environments. 

Filtration expert conducting stacker inspection in clean room

Seeking expert guidance?

Partner with us. With a strong global network, we solve your filtration challenges. From product selection to process optimization, we’ll find the right solution for you.