--- product_id: 294721673 title: "FLTWH2045K Kinetic Degradation Fluxion – KDF Catalytic Carbon Large Capacity Water Filter – Whole House Heavy Metal Filtration – 4.5” x 20” inch, White" brand: "express water" price: "$168.65" currency: USD in_stock: true reviews_count: 5 category: "Express Water" url: https://www.desertcart.us/products/294721673-fltwh2045k-kinetic-degradation-fluxion-kdf-catalytic-carbon-large-capacity-water store_origin: US region: United States of America --- # Up to 100,000 gallons lifespan Whole house filtration 3-stage KDF catalytic carbon tech FLTWH2045K Kinetic Degradation Fluxion – KDF Catalytic Carbon Large Capacity Water Filter – Whole House Heavy Metal Filtration – 4.5” x 20” inch, White **Brand:** express water **Price:** $168.65 **Availability:** ✅ In Stock ## Summary > 💧 Elevate your home’s water game with unstoppable heavy metal filtration! ## Quick Answers - **What is this?** FLTWH2045K Kinetic Degradation Fluxion – KDF Catalytic Carbon Large Capacity Water Filter – Whole House Heavy Metal Filtration – 4.5” x 20” inch, White by express water - **How much does it cost?** $168.65 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/294721673-fltwh2045k-kinetic-degradation-fluxion-kdf-catalytic-carbon-large-capacity-water) ## Best For - express water enthusiasts ## Why This Product - Trusted express water brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Durable polypropylene shell and industrial seals ensure reliable filtration under 45-80 psi and 40-100°F. - • **Total Home Purity:** Advanced 3-stage filtration cleans every faucet, shower, and appliance for healthier living. - • **Heavy Metal Defense:** Powerful KDF media targets iron, lead, chromium, and more to protect your family and plumbing. - • **Effortless Maintenance:** Universal 4.5” x 20” size with quick-swap cartridges keeps your system running smoothly without hassle. - • **Long-Lasting Performance:** Filters up to 100,000 gallons or 6-12 months, delivering consistent clean water without pressure loss. ## Overview The Express Water FLTWH2045K is a robust whole house water filter featuring a 3-stage Kinetic Degradation Fluxion (KDF) catalytic carbon system that effectively reduces heavy metals like lead, iron, and chromium. Designed for universal 4.5” x 20” housings, it delivers up to 100,000 gallons or 6-12 months of high-flow filtration without pressure drop. Built with durable materials and easy-to-replace cartridges, it ensures cleaner, healthier water from every tap in your home. ## Description Protect your home, health, and appliances by filtering your water with this KDF water filter. The Express Water Whole House Kinetic Degradation Fluxion Filter reduces dangerous heavy metal impurities from your water supply and provides clean water for drinking, showering, cooking, and other home uses. Shower without harsh impurities. Give healthier water to your pets. Extend the life of your dishwasher, laundry machine, washing machine, other appliances, and reduce your energy cost with this replacement filter for your reverse osmosis filter system. The KDF filter is good for up to 100,000 gallons or 6-12 months. This is based on average water quality. Your whole house replacement filter life may be different depending on your water quality, temperature, and incoming pressure. We recommend a KDF filter replacement every 6 months. This durable, heavy-duty whole house filter can deliver up to 0.25 gallons of water every second. The filter works with 45-80 psi and water temperatures between 40-100°F. The filter is vacuum sealed and complete with a polypropylene shell, a thermal bonded cap, and an industrial sealed silicon ring to make sure it’s durable and reliable. Filter your water with catalytic carbon and high purity copper and zinc granules for maximum capture of impurities. Choose the filter that lasts longer to give you the best value in filtration. The Express Water Kinetic Degradation Fluxion Whole House Filter FLTWH2045K is the best in heavy metal filtration. Review: great price Review: Really found that it did its job ## Features - Whole House Water Filter System: Reduce harmful impurities from your entire home’s water with Express Water’s 3 Stage whole house water filtration system and easy to replace water filter replacement cartridges. - Easy to Replace Water Filter Cartridges: All Express Water whole house water filter replacement cartridges are designed for quick and easy replacement to keep your system up and running. - Heavy Metal Water Filter: Protect your home from heavy metals while improving the quality and taste of your water. Reduce Heavy Metals, Iron, Lead, Nickel, Chromium and more through the combination of catalytic carbon and high purity ionically charged copper and zinc granules. - Universal Standard Size Water Filters: Take the guessing out of replacing your water filters. Express Water’s whole house replacement filters fit all standard 4.5” x 20” whole home water filter system housings. - Long Lasting Water Filtration: KDF replacement water filters have a life cycle of 100,000 gallons or 6–12 months depending on incoming water quality, providing your home with reliable whole home water filtration..High Quality Whole Home Water Filter: Express Water’s KDF replacement filter means no more worrying about your home’s water. With specially engineered high flow filtration you can have crisp clean drinking water from any faucet with no drop in your water pressure.. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01LW9ACTQ | | Best Sellers Rank | #167,156 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #520 in Replacement Water Filters | | Brand | Express Water | | Color | White | | Customer Reviews | 4.4 4.4 out of 5 stars (237) | | Date First Available | 1 January 2024 | | Item Weight | 2.72 Kilograms | | Material | Metal | | Model Number | FLTWH2045K | | Product Dimensions | 50.8 x 11.43 x 11.43 cm; 2.72 kg | | Special Features | Manual | ## Product Details - **External testing certification:** ANSI, NSF - **Item weight:** 2.72 kg - **Material:** Metal - **Product dimensions:** 11.4D x 50.8W x 11.4H centimeters ## Images ![FLTWH2045K Kinetic Degradation Fluxion – KDF Catalytic Carbon Large Capacity Water Filter – Whole House Heavy Metal Filtration – 4.5” x 20” inch, White - Image 1](https://m.media-amazon.com/images/I/518h9xwxz2L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by K***N on 5 February 2025* great price ### ⭐⭐⭐⭐ Review *by R***. on 30 September 2025* Really found that it did its job ### ⭐⭐⭐⭐⭐ Review *by D***2 on 30 August 2017* I have purchased four of these in past as I run two of these in a three filter Express Water system with a sediment filter as first filter. This filter completely cleaned up my water. I had a lot of orange rust/iron stains in tub, sinks, appliances, etc. as well as the sulphur smell. We have a deep water well and a lot of minerals in it. The water now has zero smell, zero taste and all staining is gone. This is at our river cabin that we use and also rent. We have had nothing but rave reviews on how great the water from renters. I also think the water feels softer when we shower. Not cheap as I wish it was less, but they seem to last six months no problem and beats running a water softener that will be destroyed in two years with our water condition. ## Frequently Bought Together - Express Water FLTWH2045K Kinetic Degradation Fluxion – KDF Catalytic Carbon Large Capacity Water Filter – Whole House Heavy Metal Filtration – 4.5” x 20” inch, 1 Count (Pack of 1), White - Express Water Whole House Heavy Metal Water Filter Set – 3 Stage Water Filtration Replacement Kit – Sediment, Carbon Block, KDF High Capacity Cartridge Filters – 5 Micron Water Filter 4.5” x 20” inch --- ## 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.us/products/294721673-fltwh2045k-kinetic-degradation-fluxion-kdf-catalytic-carbon-large-capacity-water](https://www.desertcart.us/products/294721673-fltwh2045k-kinetic-degradation-fluxion-kdf-catalytic-carbon-large-capacity-water) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-22*