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  • Serving you with over 30 years of industry expertise.
  • Call (905) 361-0270 for info, quotations and orders.
  • Filters

  • Filters

    Filters are used at various points in steam, hydronic, and air systems to keep them clear of dirt and other impurities that can damage equipment over time. Keystone Steam Supplies provides a variety of sizes of cartridge and bag filters

    Cartridge Filter Features:

    • Single or multi-cartridge housing units for 10 inch, 20 inch or 30 inch lengths.
    • Cartridges come in lengths of 10, 20, or 30 inches, and in many  micron sizes.
    • Single cartridge units come with standard ¾ inch FNPT in-line connections.
    • Easy maintenance and cartridge changing.
    • Models available from popular brands such as Neptune, Filterite, GFO, Shelco and more.
    • Other sizes and styles available upon request.


    • Continuous cleanup of points within a steam, hydronic or air system.
    • Protection of equipment from contaminants.
    • Purification of steam before it comes into contact with a process or product.
  • Available Filters

  • Neptune Filter Bag Kits

    Some Chemical By-Pass Feeders can be equipped with a Filter Bag Kit, which then allows the By-Pass Feeder to function simultaneously as a side stream filter. (A clean bag is rated at approximately 30 microns). Please contact Keystone for details.

  • For Use On Model Part No.
  • Pall "Filterite"

  • Model Description Part No.
    LMO10-3/4 10" long, 3/4" connections FILTR-FR-LMO10-075
    LMO20-3/4 20" long, 3/4" connections FILTR-FR-LMO20-075
  • NOTE: We also carry LMOSS30S-100


  • Model Description Part No.
    GFO10-3/4 10" long, 3/4" connections FILTR-GF-GFO10-075
    GFO20-3/4 20" long, 3/4" connections FILTR-GF-GFO20-075
  • Shelco

  • Model Description Part No.
    VS116-10 10" long, 3/4" connections FILTR-SHEL-VS1-10-075
    VS126-20 20" long, 3/4" connections FILTR-SHEL-VS1-10-075
  • Cartridges

    Polypropylene String on Polypropylene Core, suitable for filtration of organic acids, alkalis, solvents and many other chemicals. Very effective in low viscosity solutions. Temperature limitation of 180°F / 82°C.

  • Model Description Part No.
    GP10A10P 10" long, 10 microns FILTR-ACC-CART-GP10A10P
    GP20A10P 10" long, 20 microns FILTR-ACC-CART-GP20A10P
    GP10A20P 20" long, 10 microns FILTR-ACC-CART-GP10A20P
    GP20A20P 20" long, 20 microns FILTR-ACC-CART-GP20A20P
  • Keystone Steam Supplies is here to help you get the Filters - cartridges and units - you need.