--- product_id: 54488615 title: "iSpring FKG15Q Quick-Change Inline KDF/Carbon Filter for Ultra Filtration Under Sink Water Filter System CU-A4, White" brand: "ispring" price: "C$3787" currency: NIO in_stock: true category: "I Spring" url: https://www.desertcart.ni/products/54488615-ispring-fkg15q-quick-change-inline-kdf-carbon-filter-for-ultra store_origin: NI region: Nicaragua --- # Quick-Change 1/4" fittings Activated carbon extends filter life KDF media removes heavy metals & chlorine iSpring FKG15Q Quick-Change Inline KDF/Carbon Filter for Ultra Filtration Under Sink Water Filter System CU-A4, White **Brand:** ispring **Price:** C$3787 **Availability:** ✅ In Stock ## Summary > 💧 Upgrade your under-sink filtration game—because your water deserves elite care. ## Quick Answers - **What is this?** iSpring FKG15Q Quick-Change Inline KDF/Carbon Filter for Ultra Filtration Under Sink Water Filter System CU-A4, White by ispring - **How much does it cost?** C$3787 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/54488615-ispring-fkg15q-quick-change-inline-kdf-carbon-filter-for-ultra) ## Best For - ispring enthusiasts ## Why This Product - Trusted ispring brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Extended Carbon Life:** KDF media boosts activated carbon longevity, saving you money and hassle. - • **Freshness Guaranteed:** Individually wrapped cartridges ensure peak performance right out of the box. - • **Peace of Mind Support:** Backed by 30-day money-back, extended warranty, and lifetime tech support from iSpring. - • **Advanced KDF Filtration:** Eliminates chlorine, rust, heavy metals, and odors for crisp, clean water. - • **Effortless Quick-Change:** Swap filters in seconds with 1/4" quick-connect fittings—no plumber needed. ## Overview The iSpring FKG15Q is a 3rd-stage inline KDF and activated carbon filter designed for the CU-A4 under-sink ultra filtration system. It efficiently removes chlorine, heavy metals, rust, and unpleasant tastes while extending the life of the carbon filter. Featuring quick-change 1/4" fittings and individually wrapped cartridges, it offers easy installation and freshness. Supported by a 30-day money-back guarantee, extended warranty, and lifetime tech support, it ensures reliable, high-quality water filtration. ## Description Product Features: CU-A4 3rd Stage: KDF media (or Kinetic Degradation Fluxion Media) with activated carbon. KDF itself is remove chlorine, rust, unpleasant taste and odor, hydrogen sulfide, iron, lead, nickel, chromium, cadmium, calcium, aluminum, mercury, and more. When used with carbon, KDF can extend the carbon filter life. It also adds a dose of zinc ions to the filter water. Product Highlights: Individually wrapped to keep freshness 1/4" Quick-Change connections Fits iSpring Model CU-A4 Specifications & Dimensions: Length: 10", O.D. = 2.5" 1/4" Quick-Change Fitting Weight: 1.5 LBS ## Features - Fits iSpring under sink ultra filtration system CU-A4. Official 3rd-stage replacement filter cartridge for this iSpring under counter water filter system. - KDF media (or Kinetic Degradation Fluxion Media) with activated carbon. KDF removes chlorine, rust, unpleasant taste/odor and more. When used with carbon, KDF can greatly extend the carbon filter life. - Individually wrapped to keep freshness. - 1/4" Quick-Change connections. Easy filter change. - our worry-free shopping experience is backed by a 30-day money-back guarantee, extended warranty upon registration, and lifetime tech support from iSpring in Atlanta. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01M1OXOZ3 | | Best Sellers Rank | #876,493 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #5,101 in Replacement Under-Sink Water Filters | | Brand Name | iSpring | | Customer Reviews | 4.4 4.4 out of 5 stars (13) | | Global Trade Identification Number | 00662425088010 | | Included Components | 1 FKG15Q Inline KDF/Carbon Filter | | Item Dimensions D x W x H | 2.5"D x 2.5"W x 10"H | | Item Type Name | iSpring #FKG15Q Quick-Change Inline KDF/Carbon Filter, fits CU-A4 | | Manufacturer | iSpring Water Systems | | Manufacturer Part Number | FKG15Q | | Material Type | Carbon, KDF | | Model Number | FKG15Q | | Number of Items | 1 | | Product Benefits | Improves water taste and quality with KDF media and activated carbon | | Set Name | CU-A4 | | UPC | 662425088010 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** iSpring - **Material:** Carbon, KDF - **Number of Packs:** 1 - **Product Benefits:** Improves water taste and quality with KDF media and activated carbon - **Product Dimensions:** 2.5"D x 2.5"W x 10"H ## Images ![iSpring FKG15Q Quick-Change Inline KDF/Carbon Filter for Ultra Filtration Under Sink Water Filter System CU-A4, White - Image 1](https://m.media-amazon.com/images/I/61Ah0VvfO8L.jpg) ![iSpring FKG15Q Quick-Change Inline KDF/Carbon Filter for Ultra Filtration Under Sink Water Filter System CU-A4, White - Image 2](https://m.media-amazon.com/images/I/81WIXFtl-mL.jpg) ![iSpring FKG15Q Quick-Change Inline KDF/Carbon Filter for Ultra Filtration Under Sink Water Filter System CU-A4, White - Image 3](https://m.media-amazon.com/images/I/71EuW4lCG5L.jpg) ![iSpring FKG15Q Quick-Change Inline KDF/Carbon Filter for Ultra Filtration Under Sink Water Filter System CU-A4, White - Image 4](https://m.media-amazon.com/images/I/81i10Q-YEfL.jpg) ![iSpring FKG15Q Quick-Change Inline KDF/Carbon Filter for Ultra Filtration Under Sink Water Filter System CU-A4, White - Image 5](https://m.media-amazon.com/images/I/71iu-SdxxWL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ni/products/54488615-ispring-fkg15q-quick-change-inline-kdf-carbon-filter-for-ultra](https://www.desertcart.ni/products/54488615-ispring-fkg15q-quick-change-inline-kdf-carbon-filter-for-ultra) --- *Product available on Desertcart Nicaragua* *Store origin: NI* *Last updated: 2026-07-20*