Vacuum Filter Holder Manufacturers, Supplier in Delhi, Vacuum Filter Holder in Qassim 1st Industrial City, Vacuum Filter Holder at best price in Qassim 1st Industrial City. All vacuum filter holders are Manufacured and designed in Qassim 1st Industrial City for filtration of organic, corrosive or aqueous liquids for particulate contamination analysis. Laboratory glass filter holders are also ideal for HPLC solvent filtration. Membrane filters are not included and available separately.