filters, filter housings, filter holders, membranes, filter cartridges, filter discs and parts therefor all employed in the filtering of [ portable ] *potable* liquids and by electrokinetic capture and absorption and by mechanical sieving of contaminates from [ portable ] *potable* liquids being filtered all for use in laboratories

Filters, Filter Housings, Filter Holders, Membranes, Filter Cartridges, Filter Discs and Associated Hardware All Employed in Filtering Fluids and by Electrokinetic Capture and Adsorption and by Mechanical Sieving of Contaminants from Fluids Being Filtered