The OMI HPD is a compressed-air filtration platform deployed across Australian mining, process and heavy-industry operations, where scheduled inline filter changes are essential to maintain rated air quality and protect downstream equipment. Ultramax Systems supplies replacement and alternative-line elements for the HPD range, engineered to match the genuine OMI part on dimensional fit and filtration profile so they install into the original housing without modification. Choose by grade below for a fully traceable, Australian-stocked alternative to the genuine OMI element, at a working-budget price with comparable service life.