--- product_id: 5485476 title: "Systems ULTIMATE Series US Made Stage 1, 2 & 3 Replacement Filter For Undersink System(FILTER-SET)" brand: "apec water" price: "74821CFA" currency: XOF in_stock: true reviews_count: 13 category: "Apec Water" url: https://www.desertcart.sn/products/5485476-systems-ultimate-series-us-made-stage-1-2-and-3 store_origin: SN region: Senegal --- # 12+ months filter lifespan 3-stage advanced filtration 100% USA-made quality Systems ULTIMATE Series US Made Stage 1, 2 & 3 Replacement Filter For Undersink System(FILTER-SET) **Brand:** apec water **Price:** 74821CFA **Availability:** βœ… In Stock ## Summary > πŸ’§ Elevate your hydration game with the ultimate filter upgrade! ## Quick Answers - **What is this?** Systems ULTIMATE Series US Made Stage 1, 2 & 3 Replacement Filter For Undersink System(FILTER-SET) by apec water - **How much does it cost?** 74821CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/5485476-systems-ultimate-series-us-made-stage-1-2-and-3) ## 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 - β€’ **Universal Compatibility:** Fits all standard 10" under-sink RO systems including APEC’s top models - β€’ **Long-Lasting Performance:** Filters last over 12 months, minimizing maintenance and maximizing convenience - β€’ **Triple-Stage Purity Shield:** Sediment + dual carbon blocks for unmatched water clarity and taste - β€’ **Next-Level Carbon Block Tech:** Extruded solid carbon blocks outperform GAC filtersβ€”no carbon fines, no bypass - β€’ **Made in the USA, Trusted Worldwide:** Premium components crafted domestically for superior reliability ## Overview The APEC Water Systems ULTIMATE Series Replacement Filter Set is a premium 3-stage filtration solution designed for standard 10" under-sink reverse osmosis systems. Made in the USA, it features a high-capacity polypropylene sediment filter and two extruded carbon block filters that remove sediment, chlorine, odors, and VOCs. Engineered for durability, these filters last over 12 months, ensuring cleaner, better-tasting water with fewer replacements. Compatible with multiple APEC RO models, this set delivers industry-leading performance and reliability for health-conscious professionals seeking superior water quality. ## Description APEC ultimate high capacity pre-filter set is made in USA with high quality filtration components to provide a longer lasting filter set to protect and prolong the lifespan of your reverse osmosis system. Premium quality filter set lasts over 12 months for fewer filter change outs and high performance impurity removal. These standard size filters are 10 inch and compatible with all standard size under counter ro systems. 1St stage: high-grade 10 inch high-capacity polypropylene sediment filter -removes dirt, particles, and rust. 100% pure polypropylene depth filter with exceptional dirt-holding capacity translates to longer life and fewer change-outs than existing string-wound or resin-bonded filters. 2Nd and 3RD stage: premium extruded carbon block 10 inch -gets rid of unpleasant chlorine, tastes, odors, cloudiness and colors. Also removes VOC and other common harmful impurities from the water. Apec's extruded carbon block filters consist of activated carbon particles fused into a uniform block with enhanced adsorptive capacity and efficiency. Unlike granular activated carbon (GAC) filters, these extruded carbon block cartridges will not channel or bypass due to the extreme uniformity of their extruded activated carbon core. Compatible for apec RO-45, RO-90, RO-PERM, RO-PUMP and all other standard size under counter reverse osmosis systems. About apec for over 17 years, apec has been an industry leading manufacturer who specializes in high performance RO Systems. As the original manufacturer, we have dedicated a knowledgeable and sincere team that is committed to providing customer SATISFACTION in hopes to bring many years of enjoyment and good health for you and your family. ## 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 | |---------------|-------| | ASIN | B00HV128WY | | Best Sellers Rank | #4,738 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #38 in Replacement Under-Sink Water Filters | | Brand | APEC WATER | | Brand Name | APEC WATER | | 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 | | Customer Reviews | 4.8 out of 5 stars 2,505 Reviews | | External Testing Certification | NSF | | Global Trade Identification Number | 00854961005044 | | Included Components | FILTER-SET | | Item Dimensions D x W x H | 9.3"D x 11.5"W x 4.8"H | | Item Type Name | APEC Water Systems FILTER-SET US Made Double Capacity Replacement Stage 1-3 For ULTIMATE Series Reverse Osmosis System | | Item Weight | 2 Pounds | | Manufacturer | APEC Water Systems | | Manufacturer Part Number | FILTER-SET | | Material | Carbon,Polypropylene | | Material Type | Carbon,Polypropylene | | Model Number | FILTER-SET | | Number of Items | 1 | | Product Benefits | Reduces Sediment | | Product Dimensions | 9.3"D x 11.5"W x 4.8"H | | Set Name | ULTIMATE Series | | UPC | 854961005044 | | Unit Count | 1 Count | ## Product Details - **External Testing Certification:** NSF - **Item Weight:** 2 Pounds - **Material:** Carbon,Polypropylene - **Product Benefits:** Reduces Sediment - **Product Dimensions:** 9.3"D x 11.5"W x 4.8"H ## Images ![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) ![Systems ULTIMATE Series US Made Stage 1, 2 & 3 Replacement Filter For Undersink System(FILTER-SET) - Image 2](https://m.media-amazon.com/images/I/81XR3tdv11L.jpg) ![Systems ULTIMATE Series US Made Stage 1, 2 & 3 Replacement Filter For Undersink System(FILTER-SET) - Image 3](https://m.media-amazon.com/images/I/8186qoR5XIL.jpg) ![Systems ULTIMATE Series US Made Stage 1, 2 & 3 Replacement Filter For Undersink System(FILTER-SET) - Image 4](https://m.media-amazon.com/images/I/81fEJt8497L.jpg) ![Systems ULTIMATE Series US Made Stage 1, 2 & 3 Replacement Filter For Undersink System(FILTER-SET) - Image 5](https://m.media-amazon.com/images/I/71uCJdL6qZL.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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by S***S on April 7, 2026* ### ⭐⭐⭐⭐⭐ Review *by A***R on April 8, 2024* ### ⭐⭐⭐⭐⭐ Review *by D***S on March 18, 2026* ## 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 --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sn/products/5485476-systems-ultimate-series-us-made-stage-1-2-and-3](https://www.desertcart.sn/products/5485476-systems-ultimate-series-us-made-stage-1-2-and-3) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-05-07*