Donaldson Duramax® HMK04/24 Series Medium Pressure Spin-on Filters
HMK04 (single) and HMK24 (double) Duramax® spin-on filters feature a durable die-cast aluminum head, heavy-duty steel body, with die-cast aluminum top plate for added strength. A special head-to-canister o-ring seal prevents leakage. Both models use the same replacement filters and have identical pressure ratings, reducing inventory. Both filters have identical pressures, but the HMK24 handles greater flow capacity than the HMK04.