Vacuum Filter Holder Manufacturers, Supplier in Delhi, Vacuum Filter Holder in Varanasi, Vacuum Filter Holder at best price in Varanasi. All vacuum filter holders are Manufacured and designed in Varanasi 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.