Pharmatek Filtration Systems Pvt. Ltd supplies High Efficiency Particulate Air- HEPA Filter. Pharmatek Filtration Systems Pvt. Ltd is an ISO 9001:2000 recognised company manufacturing a wide range of Laminar Flow Work Station, Air filters, Prefilters and other Clean Air Equipments. The High Efficiency Particulate Air- HEPA Filter is available in Conventional design and is made of sub-micron glass-fibre filter paper. The High Efficiency Particulate Air- HEPA Filter comes with the minimum efficiency of 99.97% in removing particles of 0.3 microns and above.