---
product_id: 5485476
title: "APEC Water Systems ULTIMATE Series US Made Stage 1, 2 & 3 Replacement Filter For Undersink System(FILTER-SET)"
brand: "apec water"
price: "€ 89.29"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/5485476-apec-water-systems-ultimate-series-us-made-stage-1-2
store_origin: HR
region: Croatia
---

# 12+ months filter lifespan 3-stage advanced filtration 100% USA-made quality APEC Water Systems ULTIMATE Series US Made Stage 1, 2 & 3 Replacement Filter For Undersink System(FILTER-SET)

**Brand:** apec water
**Price:** € 89.29
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your hydration game with the ultimate filter upgrade!

## Quick Answers

- **What is this?** APEC Water Systems ULTIMATE Series US Made Stage 1, 2 & 3 Replacement Filter For Undersink System(FILTER-SET) by apec water
- **How much does it cost?** € 89.29 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/5485476-apec-water-systems-ultimate-series-us-made-stage-1-2)

## Best For

- apec water enthusiasts

## Why This Product

- Trusted apec water brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Universal Compatibility:** Fits all standard 10" under-sink RO systems including APEC models
- • **Long-Lasting Performance:** Filters last over 12 months, reducing maintenance and hassle
- • **Triple-Stage Purity Shield:** Sediment + dual carbon blocks for unmatched water clarity and taste
- • **Next-Level Carbon Block Tech:** Extruded carbon blocks outperform GAC filters—no leaks, no bypass, just pure water
- • **Made in the USA, Trusted Worldwide:** Crafted with premium materials ensuring reliability and safety

## Overview

The APEC ULTIMATE Series 3-stage replacement filter set is a premium, USA-made solution designed to extend the life and enhance the performance of your reverse osmosis system. Featuring a high-capacity polypropylene sediment filter and two advanced extruded carbon block filters, it effectively removes sediment, chlorine, odors, and harmful VOCs. Compatible with all standard 10" under-sink RO systems, this filter set delivers over 12 months of superior water purification, ensuring cleaner, fresher water with fewer replacements.

## Description

APEC Water Systems ULTIMATE Series US Made Stage 1, 2 & 3 Replacement Filter For Undersink System(FILTER-SET)

## Features

- APEC Water ULTIMATE Series FILTER-SET is for RO-45, RO-90, RO-PH90, RO-PERM, RO-PUMP, and compatible with all 10" standard industry reverse osmosis water filter system .
- Includes (1) sediment and (2) carbon block filters to protect and extend the life of the RO system
- 1st stage Polypropylene sediment filter to remove dust, particles, and rust
- 2nd & 3rd stage extruded carbon block filters to remove chlorine, taste & odor
- APEC's extruded solid carbon block filters far surpass GAC filters in performance and absorptive capacity; in addition they do not leak carbon fines.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Carbon,Polypropylene |
| Product Dimensions | 9.3"D x 11.5"W x 4.8"H |
| Item Weight | 2 Pounds |
| External Testing Certification | NSF |
| Product Benefits | Reduces Sediment |
| Brand | APEC WATER |
| Set Name | ULTIMATE Series |
| UPC | 854961005044 |
| Global Trade Identification Number | 00854961005044 |
| Unit Count | 1.0 Count |
| Compatible Water Purifier Models | APEC Water Systems RO-45, APEC Water Systems RO-90, APEC Water Systems RO-PERM, APEC Water Systems RO-PH90, APEC Water Systems RO-PUMP, APEC Water Systems WFS-1000 |
| Number of Items | 1 |
| Manufacturer | APEC Water Systems |
| Part Number | FILTER-SET |
| Item Weight | 2 pounds |
| Item model number | FILTER-SET |
| Is Discontinued By Manufacturer | No |
| Size | 3 Piece Set |
| Color | White |
| Style | 3 Filter-Set |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Included Components | FILTER-SET |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Carbon,Polypropylene
- **Product Dimensions:** 9.3"D x 11.5"W x 4.8"H
- **Item Weight:** 2 Pounds
- **External Testing Certification:** NSF
- **Product Benefits:** Reduces Sediment

## Images

![APEC Water Systems ULTIMATE Series US Made Stage 1, 2 & 3 Replacement Filter For Undersink System(FILTER-SET) - Image 1](https://m.media-amazon.com/images/I/91MA10a2b-L.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Questions & Answers

**Q: when is time to replace filters, do I have to replace o-rings too??**
A: Hello, the Ultimate FILTER-SET are typically replaced about once a year depending on water quality and usage going through the filters. The O-rings are typically replaced about every 3 years, but it is always good to have them on hand as backups just in case. If you need any help or assistance, feel free to give us a call we are happy to help! Best Regards, APEC Support Team 800-880-4808.

**Q: does this item come with the replacement O-rings too?**
A: The FILTER-SET only includes the replacement filters, it does not include the replacement O-rings.

**Q: will this fit ROES-50 ?**
A: They will fit the ROES-50 and most of the systems that uses industry standard size.

**Q: Will these filter out Cryptosporidia?**
A: Cryptosporidia are 3 t0 4 microns in diameter.  Reverse osmosis filtration membranes have pore sizes around 0.0001 microns.  Work it out for yourself.

## Frequently Bought Together

- APEC Water Systems ULTIMATE Series US Made Stage 1, 2 & 3 Replacement Filter For Undersink System(FILTER-SET)
- APEC Water Systems Replacement ORing for ROES-50 3.5" OD Reverse Osmosis Water Filter Housings, O-Ring (3 pcs O-Ring-Set-B)
- APEC Water Systems WFS-1000 Super Capacity Premium Quality 3 Stage Under-Sink Water Filter System

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**Shop now:** [https://www.desertcart.hr/products/5485476-apec-water-systems-ultimate-series-us-made-stage-1-2](https://www.desertcart.hr/products/5485476-apec-water-systems-ultimate-series-us-made-stage-1-2)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-01*