BALSTON

oil, air, liquid, gas and contaminant filters, filter units, filter tubes, filter cartridges and housing therefor; vacuum exhaust filters, all being for machines or engines, not for use in land vehicles; filter assemblies comprised of clamps, seals, plugs, adaptors, metal pipe fittings, o-rings, couplings, reducing bushings, all sold as a unit, all being for machines or engines, not for use in land vehicles

oil, air, water and contaminant filters, filter units, filter tubes, filter cartridges and housing therefor; filter regulators, flow and pressure gauges, meters and pressure indicator; gas and liquid purifiers; gas and liquid separators and generators, all being for scientific or laboratory use; filter assemblies comprised of flowmeters, cylinder switches, clamps, seals, plugs, adaptors, metal pipe fittings, o-rings, couplings, reducing bushings, all sold as a unit, all being for scientific or laboratory use

oil, air, water and contaminant filters, filter units, filter tubes, filter cartridges and housing therefor; gas and liquid separators and generators, all being for industrial or household installations; filter assemblies comprised of plastic bars, plastic tubing, clamps, seals, plugs, adaptors, metal pipe fittings, o-rings, couplings, reducing bushings, all sold as a unit, all being for industrial or household installations