Select from the many Harmsco parts available. Harmsco O-Rings, Harmsco Rim Gaskets, Harmsco Top Seals, Harmsco Bottom Seals, Harmsco Top Plates, Harmsco Lids, Harmsco Tanks, Harmsco Standpipes, Harmsco Nuts, Washers, Retainers, Harmsco Holding Rods, Harmsco Lifters & Rods, Harmsco Pipe Caps, Miscellaneous, and Standby Clusters are all available. Email support@waterfilters.net if you cannot find the Harmsco part you are looking for.