PowerFlow manufactures Donaldson Duromax® HMK05/25 Series Replacement Filter Elements consisting of powerful, strong, durable heavy-duty steel body design, constructed with die-cast top plate, provide extra durability. Our HMK05 (single) and HMK25 (double) Duromax® spin-on filters are a perfect fit for high-flow applications. A unique head-to-canister O-ring seal feature is added to prevent any possibilities of leakage. Fluorocarbon seals are available with standard nitrile seals. HMK05/25 series filters offer a diverse range of indicator types and by-pass options. Our replacement filters ... Read more »