Welcome to Filter Integrity Limited

Welcome to Filter Integrity Ltd

Specialists in Filter Testing and Validation, Aerosol Science and Compressed Air Treatment

Filter Integrity Ltd is a UK based company supporting aerosol scientists and filtration product developers by providing both technical consultancy and specialised aerosol generation and characterisation instruments and equipment. Our office is located at the North East Technology Park NETPark, Sedgefield, County Durham in the North East of England.

Our activities are split into three linked areas:

FIL PTAS Logo Filter Integrity supplies innovative particle technologies for aerosol science in the UK. As UK sales partner of Palas GmbH we provide individual aerosol generation equipment and measuring instruments‚ through to complete analysis systems, for use in particle and aerosol characterisation applications in both research and industry.

FIL PTCA LogoFilter Integrity is a technical consultancy offering support in the design, testing and validation of compressed air / vacuum treatment equipment and systems. We offer professional and independent technical support to both OEM‘s in the compressed air and vacuum treatment market and their end-users.

FIL PTAS Logo Filter Integrity as the UK partner of FlowTest GmbH supplies instruments and accessories to simplify Filter Integrity Testing for the food and beverage, pharmaceutical and electronics sectors together with technical support and independent assessment of filter performance in both research and process operation.

With a broad network of partners and contacts involved with filtration and particle science applications, whatever the issue, Filter Integrity Ltd will be able to offer advice and support, based on sound knowledge and experience.

Our Partners

Palas GmbH LogoPalas GmbH - Specialists in Aerosol and Particle Technology offering particle generation equipment, aerosol size measurement instruments and full filtration performance testing systems covering the particle size range from 5 nm to 200 µm


IBR LogoSGS IBR Laboratories - an A2LA accredited and independent laboratory providing testing services for the detection and analysis of particulate contamination and verification of filtration performance. IBR Laboratories in now part of SGS, the world's leading inspection, verification, testing and certification company.


IBR LogoFlowTest GmbH - an independent manufacturer of Integrity Test Equipment and Systems for Verification and Validation of membrane based filter products for Pharmaceutical and Food & Beverage applications.


We hope you find something of interest to you in our website and thank you for your interest in our company.

Andrew Chalmers - Director