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