water-filters
APEC Ultimate Series RO-90
The RO-90 is a high-capacity, high-output under-sink system that is WQA Gold Seal certified. It is a 'workhorse' system known for its durability and use of high-quality US-made filters that provide 99% removal of 1,000+ contaminants.
Quality & Materials
5-stage system includes high-capacity polypropylene sediment filter, double carbon blocks, and a high-rejection TFC reverse osmosis membrane.
Evidence & Testing
WQA Gold Seal certified to NSF/ANSI 58. This is the industry standard for verifying reverse osmosis performance.
Brand Transparency
Standardized parts make it easy to verify components, though they don't provide as much 'custom' data as Hydroviv.
Value Assessment
Exceptional value. The cost per gallon is the lowest of all recommended units over a 5-year period due to long-lasting filters.
Why Not Alternatives?
Compared to budget RO systems found in big-box stores, APEC uses double-capacity filters and higher-grade fittings that prevent the leaks and pressure drops common in cheaper alternatives.
Sources & References
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