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Precision Filtration Solutions for Critical Industries

High-efficiency pleated cartridges, capsule filters, stainless steel filters, and integrity testers designed for pharmaceutical, biotech, food & beverage, and microelectronics applications.

Filter Cartridge

About Us

Innovating Filtration Since 2013

Factory or Lab

Donguan Kinda Filtration Equipment Co., Ltd.

Founded in 2013, we are a high-tech enterprise specializing in the R&D, production, and sales of advanced filtration membranes and related products. With a vision of “high starting point, high technology, and high standards,” we actively integrate cutting-edge filtration technologies from around the world.

Our innovations include nation-leading filtration devices and processes with multiple independent intellectual property rights. We are proud members of the Membrane Industry Association of China and committed to delivering FDA-compliant, ISO-certified solutions for global industries.

  • ✅ ISO 9001 Certified Manufacturing
  • ✅ FDA 21 CFR & EU GMP Annex 1 Compliant
  • ✅ Global Export to 50+ Countries
  • ✅ OEM & Customization Available

Our Products

Engineered for Performance, Reliability, and Compliance

PES Pleated Filter Cartridge

PES Pleated Filter Cartridge

Polyethersulfone membrane for high-flow sterile filtration in pharmaceutical and biotech applications.

  • • 0.1μm to 1.0μm ratings
  • • FDA & USP Class VI compliant
  • • High dirt-holding capacity
Capsule Filter

Sterilizing-Grade PES Capsule Filter

Asymmetrical PES membrane for terminal sterilization in aseptic processes.

  • • 0.2μm & 0.45μm options
  • • Low protein binding
  • • Pre-sterilized & integrity tested
PTFE Filter Cartridge

Hydrophobic PTFE Pleated Filter

Ideal for gas venting, solvent filtration, and sterile air applications.

  • • Water-repellent (>150° contact angle)
  • • Chemically inert
  • • Sterilizable by steam or autoclave
Filter Integrity Tester

Integtest V8.0 Filter Integrity Tester

Full-automatic tester for bubble point, diffusion flow, and water intrusion tests.

  • • FDA-compliant reporting
  • • Touchscreen interface
  • • Data logging & export
Stainless Steel Filter

Stainless Steel Pleated Filter

Reusable 316L SS cartridge for high-temperature and high-pressure systems.

  • • 0.1μm to 10μm ratings
  • • CIP/SIP compatible
  • • Long service life
PP Filter Cartridge

PP Pleated Filter Cartridge

Cost-effective solution for pre-filtration in water and chemical processing.

  • • 0.1–50μm range
  • • Low extractables
  • • High flow rates
PVDF Filter Cartridge

PVDF Pleated Filter Cartridge

Chemical-resistant membrane for aggressive solvents and ultra-pure water.

  • • Low protein binding
  • • Gamma stable
  • • Low TOC leachables
Syringe Filter

Syringe Filter – PES & Nylon

Single-use, sterile filters for lab-scale filtration and sample preparation.

  • • 0.22μm & 0.45μm options
  • • Luer-lock & luer-slip
  • • Non-pyrogenic

Applications

Trusted Across Critical Industries

Pharmaceuticals

Sterile API, aseptic filling, bioburden reduction, buffer filtration.

Biotechnology

Cell culture, fermentation, viral clearance, media sterilization.

Food & Beverage

Beer, wine, dairy, soft drinks, juice, and bottled water filtration.

Microelectronics

CMP slurry, lithography chemicals, ultrapure water, solvent filtration.

Water Treatment

Drinking water, seawater desalination, commercial RO systems.

Chemical Processing

Solvent filtration, catalyst recovery, process stream purification.

HVAC & Venting

Sterile air vents, bioreactor gas filtration, compressed air systems.

Laboratory

Sample prep, HPLC, microbiology, syringe filtration.

Why Choose Micron-Filter?

  • FDA & EU GMP Compliant – Validated for sterile and critical processes.
  • High Flow & Low Pressure Drop – Optimized pleated design for efficiency.
  • Global Support & OEM Services – Custom sizes, validation docs, bulk supply.
  • Integrity Tested & Traceable – Full documentation for audit readiness.

Performance at a Glance

50+

Countries Served

10+

Years Experience

ISO 9001

Quality Certified

FDA

Compliant

Frequently Asked Questions

Are your filters FDA compliant?

Yes, our pharmaceutical-grade filters are compliant with FDA 21 CFR Part 211 and EU GMP Annex 1. Documentation is available upon request.

Can I get custom filter sizes?

Yes, we offer OEM services with custom lengths (5″ to 40″), end caps, housings, and validation support.

Do you provide integrity testing equipment?

Yes, we manufacture the Integtest V6.5 and V8.0 full-automatic filter integrity testers for bubble point and diffusion flow testing.

What’s the difference between hydrophilic and hydrophobic PTFE?

Hydrophilic PTFE is used for aqueous solutions; hydrophobic PTFE repels water and is ideal for gas/air filtration and organic solvents.

How do I request a pricelist?

Visit micron-filter.com to submit your inquiry. We respond within 24 hours.

Get in Touch

Reach out for product inquiries, technical support, or custom solutions.

For inquiries about our products or pricelist, please visit our official website to contact us directly.

Visit Official Website

Phone: 0769-88961963

Email: kinda1@puno-filter.com

WhatsApp: +8618128566791

Address: Bldg D, Jinxiongda Tech Park, Xingyuan Road, Datanglang Village, Dalingshan Town, Dongguan, Guangdong, China

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