# APEC FILTER-MAX90 US Made 90 GPD Complete Replacement Filter Set for Ultimate Series Reverse Osmosis

APEC FILTER-MAX90: a USA-made 90 GPD complete replacement filter set for Ultimate Series RO systems. Check fit, then decide if it fits your needs.

- [Original product page](https://www.ofertitastop.com/us/product/apec-filter-max90-us-made-90)
- [View offer](https://www.ofertitastop.com/us/visit/apec-filter-max90-us-made-90)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-16T22:36:52.528Z
- SKU: ofertitastop-us-87823
- Category: Home & Garden > Household Appliance Accessories > Air Conditioner Accessories > Air Conditioner Covers
- Source store: amazon US
- Active deal: Yes
- Price: 99.99 USD
- Previous price: 113.21 USD
- Discount: 12%
- Rating: 4.6 / 5
- Reviews: 686

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

## What it is and what it solves
The APEC FILTER-MAX90 is a complete 5-stage replacement filter kit designed for Ultimate Series reverse osmosis systems. It’s manufactured in the USA and aims to deliver a refreshed filtration path with the goal of extending filter life and maintaining high water quality. If your current setup relies on a standard 10 inch x 2.5 inch housing, this kit is positioned as a ready-to-install refresh that covers sediment, carbon, and membrane stages in one package.

## On-paper performance and composition
This set includes a sediment filter, two carbon block filters, one Dow FilmTec membrane, and one inline carbon filter. The FilmTec 90 GPD membrane is lab-tested to support high rejection rates, which translates to clearer water and fewer contaminants at the point of use. The 90 GPD rating suggests faster production of filtered water relative to lower-rate options, which can be beneficial for households that drink water on the fly or run multiple taps.

## Best-case use and who it’s for
If you own an APEC RO-90, RO-PERM, or a similar standard RO system with compatible housings, this kit promises a straightforward upgrade path that aligns with the system’s intended flow and filtration stages. It’s a sensible choice for homes prioritizing a full replacement that maintains the multi-stage filtration sequence rather than mixing individual parts from uncertain sources.

## Strengths you’ll notice in day-to-day use
- Comprehensive replacement: all critical elements (sediment, carbon, membrane, inline carbon) are included in one package. 
- USA-made quality control: the kit is marketed as produced in the United States, which can be a tiebreaker for buyers prioritizing domestic manufacture.
- High-rejection membrane: FilmTec technology is designed to push contaminants down, potentially improving taste and clarity.
- Ease of installation: designed for standard 10" x 2.5" housings, which many RO setups use.

## Potential drawbacks or limits
- It’s described as compatible with several standard RO systems, but you should verify exact model compatibility beyond the listed ones, especially if you have a slightly older or customized configuration.
- Real-world performance depends on water conditions and maintenance. The 90 GPD membrane is faster on paper, but actual throughput can vary with pressure and input water quality.
- Not all users will need a full replacement kit at once, if your system is relatively new or you’ve recently changed membranes only, this may feel more like a refresh than a necessity.

## Ideal buyer profiles and typical scenarios
- Ideal for households that want a one-and-done replacement kit to restore full multi-stage filtration.
- Buyers who value domestic manufacturing and a complete, clearly defined set of components.
- People who prioritize higher production rates and consistent water quality, assuming their system fits the standard housing dimensions.

## When to consider alternatives or hold off
- If your system isn’t fully compatible with standard 10" x 2.5" filters or you’re using a non-APEC configuration, double-check the housing size and connector specs before purchase.
- If you recently replaced only the membrane and your carbon and sediment stages are still recent, a partial replacement might be more cost-effective.
- If you’re on a tight budget and your current filters still perform adequately, you may want to compare per-piece pricing or look for a smaller, targeted refresh rather than a full kit.

## Quick-use example
Imagine you’ve noticed a dip in water taste and reduced production speed after a couple of years of use. Installing the FILTER-MAX90 restores the filtration sequence and, with the high-rated membrane, should help improve taste and increase water availability without waiting for a new system.

## FAQ (based on available data)
- Q: Is this compatible with all standard RO housings?
 A: It’s stated as compatible with most standard 10 inch x 2.5 inch housings, including APEC RO-90 and RO-PERM. Always verify your exact model and housing type.
- Q: Does it guarantee contaminant removal?
 A: The FilmTec membrane is described as lab-tested to guarantee high rejection, with claims of up to 99% removal in the base description. Real-world results depend on system setup and water conditions.
- Q: Can I install this myself?
 A: The kit is designed for common RO configurations, if you’re comfortable handling standard filter housings and seals, you can likely perform installation. If you’re unsure, consider professional help to ensure proper sealing and flow.

## Is it worth it?
It’s a solid pick if you’re looking for a complete, USA-made replacement set that maintains a multi-stage filtration system and you have compatible housings. If your priority is a simple membrane swap or you’re unsure about compatibility, you may want to confirm fit first and consider whether you truly need a full kit.

## Images

![APEC FILTER-MAX90 US Made 90 GPD Complete Replacement Filter Set for Ultimate Series Reverse Osmosis — 1](https://www.ofertitastop.com/i/4yLPYGEaQ_AjhKx410Vd1NlfoJNpcKE7X_9bHMhfGTMeKwwZtFEJ5P0aR3p5TbveorvhZ7xwGtSr98zSJnna-x5GmLHlsnnxoF-oM2KNe9r8xBFLXCo3TGLpxg.jpg)

![APEC FILTER-MAX90 US Made 90 GPD Complete Replacement Filter Set for Ultimate Series Reverse Osmosis — 2](https://www.ofertitastop.com/i/syncHSIvgSuo-Uube3pGohh3ivBdiZzeD1yUMC0hJYIFrbLv_EVNfGbn5m9BIw8MwS1epXhbzsFcIKTrTKa8q6Jnj4sNPZz6WLpmFzHHUrszs2g2h0Qky7epJQ.jpg)

![APEC FILTER-MAX90 US Made 90 GPD Complete Replacement Filter Set for Ultimate Series Reverse Osmosis — 3](https://www.ofertitastop.com/i/sxs0WNKm7MOXA_cw-Y_v8YIZjm1Y5TBpA8MkYpyKHRdzipPEnQN_ym14XKGiZPZsX3T_lOTCV6rIKIsIWPnSlc2bmeypw-h6ZMLER9gQ6oZzG-HuWX3DW5qJRA.jpg)

![APEC FILTER-MAX90 US Made 90 GPD Complete Replacement Filter Set for Ultimate Series Reverse Osmosis — 4](https://www.ofertitastop.com/i/q6sLAHUFF0uQAv4D-4oc5M3Re5mm50HNWT4GDWAtdYn1rQWluMRhMKxneVPRfCgWWLPYqQfs5Z7WxujzkT6IR_TvZCPW3zJSe3F-gNUzij_53KijH2y80Jq6AQ.jpg)

![APEC FILTER-MAX90 US Made 90 GPD Complete Replacement Filter Set for Ultimate Series Reverse Osmosis — 5](https://www.ofertitastop.com/i/IOMDL-tXBhMsdIYGxmI9vcOkozMs1Mz6XF3EEKbMjN9-ykp22udLqDQcVbPwxvVdRnIea330UYIvORfnb74rw-jFl7qJoirHkUMOokpiwxWJp8QZMMcT2BVR1Q.jpg)