APEC FILTER-MAX90 90 GPD Replacement Filter Set - USA Made

In this review of the APEC FILTER-MAX90 90 GPD replacement filter set, the bottom line is clear: this kit is for owners of under-sink reverse osmosis systems who want dependable, long-lasting parts and highly effective contaminant removal. The reviewer found the set especially well suited to households that value water taste and system longevity, since the Filmtec membrane and premium pre-filters are designed to last longer than typical cartridges. Installation is straightforward and the result is noticeably cleaner, better-tasting drinking water.

Key Features

• 5-stage complete set: Provides all required cartridges and a membrane to restore a full reverse osmosis system without searching for compatible parts.
• USA made components: Filters and housings are manufactured in the United States for consistent build quality and materials control.
• Filmtec 90 GPD membrane: Individually lab tested to ensure high rejection rates for contaminants and reliable 90 GPD performance.
• Longer service life: Premium pre-filter cartridges last over 12 months while the membrane and post carbon filter last 3-5 years to reduce change-out frequency.
• Wide compatibility: Fits APEC RO-90, RO-PERM and most standard 10 in x 2.5 in under-counter RO systems for easy replacement.
• Certified removal: Certified to remove up to 99% of many contaminants, delivering improved drinking water quality and taste.

Who It's For

This filter set is ideal for homeowners with standard under-sink reverse osmosis systems who want a full, OEM-grade replacement that reduces maintenance frequency. It is a good fit for families prioritizing water taste, safety, and minimal downtime when replacing parts.

It may be less suitable for users with nonstandard housings or those on very tight budgets who prefer cheaper, shorter-lived cartridges. Also, if a system uses non-1/4 in output fittings or nonstandard cartridge lengths, shoppers should verify fit before purchase.

Pros & Cons

Pros

• High-quality, USA made components that inspire confidence in materials and assembly.
• Longer-lasting pre-filters and membrane reduce the number of filter changes over time.
• Filmtec membrane is lab tested for consistent 90 GPD output and strong contaminant rejection.
• Easy to install for anyone familiar with standard under-sink RO maintenance.

Cons

• Some customers find the price higher than basic replacement cartridges, making value subjective.
• Compatibility is broad but limited to standard 10 in x 2.5 in housings and 1/4 in output systems, so uncommon systems may not fit.

Specifications

Product type	Complete 5-stage RO replacement filter set
Membrane capacity	90 GPD Filmtec membrane
Filter sizes	10 in x 2.5 in standard housings
Output fitting	Standard 1/4 in output system
Service life	Pre-filters ~12 months; membrane and post carbon 3-5 years
Compatibility	APEC RO-90, RO-PERM and most industry standard under-counter RO systems
Origin	Made in USA

Our Verdict

The FILTER-MAX90 replacement set is a sensible choice for homeowners who want a durable, high-performance RO refresh that improves drinking water taste and reduces maintenance intervals. For those with standard 10 in x 2.5 in housings and 1/4 in outputs, it represents good long-term value thanks to the quality Filmtec membrane and longer-lasting pre-filters.

Frequently Asked Questions

Will this fit my under-sink RO system?
It fits systems with standard 10 in x 2.5 in housings and 1/4 in output lines, including APEC RO-90 and RO-PERM; confirm your housing size before purchase.

How long do the filters last?
Pre-filters typically last over 12 months, while the Filmtec membrane and post carbon filter can last 3-5 years under normal household use.

Does the membrane really improve water taste?
Yes, the lab-tested Filmtec membrane and post carbon polishing filter reduce contaminants and improve taste and odor when installed correctly.