Originally Posted By: Coprolite
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Do you plan on running some EP and going for 15k on that OCI? Otherwise, just use a PureOne. It is more affordable. I don't understand people that complain about low Sulfur gas costing a little more but are content to overspend elsewhere. Personally, I tend to overspend to a small extent relatively consistently.
You have a valid point but It's not overspending if it's being done for a particular reason. The Ultra is a mfr-rated 15K filter. The P1... well we don't know what the factory rating is but it's certainly safe to whatever factory FCIs are out there or 7.5K or even 10K (have done this). The Ultra has more capacity than the P1 and that's the benefit and a syn media is safer long term than a cellulose or bended. I will never badmouth the P1 because like everyone thinks, it's a GREAT, high efficiency filter for the dollar. At the price of an "average efficiency" fitler, I say WHY NOT? It's just not suitable for every situation, especially long term.