
OEM filters are expensive but worth every penny to me. I've looked around for other alternatives that rank as high as these in terms of pollution reduction and haven't found any. I can't find a filter that replaces the UKF8001 that is both NSF/ANSI 42 and NSF/ANSI 53 compliant, let alone NSF/ANSI 401! All the cheaper non-OEM filters I've seen are only NSF 42 if they're even certified. I see no point in spending money on a cheap filter that doesn't actually filter anything rather than paying for a filter that filters out contaminants like naproxen and DEET from the water. Do yourself a favour: if you're really trying to filter your water, get this filter. I already have 4 of them, everything works perfectly.

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