--- product_id: 152011416 title: "AO Smith 4.5\"x10\" 20 Micron Sediment Water Filter Replacement Cartridge - For Whole House Filtration Systems - AO-WH-PREL-RP" brand: "a. o. smith" price: "฿2885" currency: THB in_stock: true reviews_count: 8 category: "A. O. Smith" url: https://www.desertcart.co.th/products/152011416-ao-smith-4-5x10-20-micron-sediment-water-filter-replacement store_origin: TH region: Thailand --- # Whole house coverage for every tap 20 micron ultra-fine sediment filtration Easy DIY replacement every 3 months AO Smith 4.5"x10" 20 Micron Sediment Water Filter Replacement Cartridge - For Whole House Filtration Systems - AO-WH-PREL-RP **Brand:** a. o. smith **Price:** ฿2885 **Availability:** ✅ In Stock ## Summary > 💧 Elevate your home’s water game—because every drop counts! ## Quick Answers - **What is this?** AO Smith 4.5"x10" 20 Micron Sediment Water Filter Replacement Cartridge - For Whole House Filtration Systems - AO-WH-PREL-RP by a. o. smith - **How much does it cost?** ฿2885 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/152011416-ao-smith-4-5x10-20-micron-sediment-water-filter-replacement) ## Best For - a. o. smith enthusiasts ## Why This Product - Trusted a. o. smith brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Convenience:** No plumber needed—replace your filter hassle-free every 3 months to keep your system running at peak efficiency. - • **Built for Busy Households:** Large 4.5" diameter filter designed to support families of 4+ with consistent, reliable performance. - • **Crystal Clear Water, Every Tap:** 20 micron filtration removes sediment invisible to the naked eye, ensuring pristine water throughout your home. - • **Protect Your Appliances & Health:** Reduce sediment buildup to extend appliance life and enjoy cleaner, safer water daily. - • **Certified Genuine AO Smith Quality:** NSF-certified filter guarantees trusted contaminant removal and system longevity. ## Overview The AO Smith 4.5"x10" 20 Micron Sediment Water Filter Replacement Cartridge is a certified, high-performance filter designed for whole house filtration systems. It effectively reduces sediment smaller than the human eye can see, supports households of 4 or more, and offers easy DIY replacement every 3 months to maintain optimal water quality and protect your appliances. ## Description Buy AO Smith 4.5"x10" 20 Micron Sediment Water Filter Replacement Cartridge - For Whole House Filtration Systems - AO-WH-PREL-RP: Replacement Under-Sink Water Filters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Water Filter - We have a well for our water and this was connected to filter water for our whole house. We really love this product. We have been subscribing for a while now and have no complaints. We change filters about every 3 months. It has always arrived in perfect condition and price has been good. Review: Great - Price and saves my water! ## Features - Filter for use with: Whole House Filter System with Timer (AO-WH-PREL). Use only certified, genuine A. O. Smith filters for continued contaminant removal and system performance. - Longer lasting appliances - whole house filter system designed to reduce sediment from every tap. - 20 micron filtration - reduces sediment smaller than the human eye can see. - Replacements made easy - no plumber necessary. Replace filter every 3 months. Large capacity (4.5") filter is perfect for household sizes 4 or more people. - Includes one replacement filter. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07R3G84YK | | Best Sellers Rank | #22,841 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #169 in Replacement Under-Sink Water Filters | | Brand Name | A. O. Smith | | Customer Reviews | 4.8 4.8 out of 5 stars (591) | | External Testing Certification | NSF | | Item Dimensions | 4.5 x 10 x 20 inches | | Item Dimensions D x W x H | 4.5"D x 10"W x 20"H | | Item Weight | 0.25 Kilograms | | Key Product Features | 20 micron filtration - reduces sediment smaller than the human eye can see., Filter for use with: Whole House Filter System with Timer (AO-WH-PREL). Use only certified, genuine A. O. Smith filters for continued contaminant removal and system performance., Includes one replacement filter., Longer lasting appliances - whole house filter system designed to reduce sediment from every tap., Replacement… | | List Price | 24.99 | | Manufacturer | AO Smith | | Manufacturer Part Number | RE301 | | Material Type | Polycarbonate (PC) | | Model Number | RE301 | | Number of Items | 1 | | Package Weight | 0.25 Kilograms | | Product Benefits | Reduces Sediment | | Size | 1 Count (Pack of 1) | | Title | AO Smith 4.5"x10" 20 Micron Sediment Water Filter Replacement Cartridge - For Whole House Filtration Systems - AO-WH-PREL-RP | | Unit Count | 1.0 Count | ## Product Details - **External Testing Certification:** NSF - **Item Weight:** 0.25 Kilograms - **Material:** Polycarbonate (PC) - **Product Benefits:** Reduces Sediment - **Product Dimensions:** 4.5"D x 10"W x 20"H ## Images ![AO Smith 4.5"x10" 20 Micron Sediment Water Filter Replacement Cartridge - For Whole House Filtration Systems - AO-WH-PREL-RP - Image 1](https://m.media-amazon.com/images/I/71dfulaKQ0L.jpg) ## Questions & Answers **Q: Does this work with the ao smith b filter?** A: Yes **Q: Is there an O ring for the universal filter** A: The O-Ring is part of the filter canister (AO-WH-PREL) and isn't included in this replacement filter cartridge itself. The O-Ring is item AO-WH-LG-OR https://www.amazon.com/AO-Smith-AO-WH-LG-Filter-Ring/dp/B07ZG3BD5Y/ref=sr_1_3?crid=3QFHWEMFX2C5B&dchild=1&keywords=ao-wh-lg-or&qid=1632321087&sprefix=ao-wh-%2Caps%2C164&sr=8-3 **Q: What is the flow rate?** A: Hello, Thank you for your question! The sediment filter replacement has a 4 GPM flow rate. If you have any questions or concerns, you may also contact us directly at 877.333.7108 Monday through Friday from 8 am to 10 pm EST, and Saturday to Sunday from 9 am to 6 pm EST. -AO Smith Support **Q: how many come for 19.99?** A: Only one comes in a pack. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Water Filter *by J***R on January 13, 2026* We have a well for our water and this was connected to filter water for our whole house. We really love this product. We have been subscribing for a while now and have no complaints. We change filters about every 3 months. It has always arrived in perfect condition and price has been good. ### ⭐⭐⭐⭐⭐ Great *by D***I on November 30, 2025* Price and saves my water! ### ⭐⭐⭐⭐⭐ Good filter *by J***S on September 5, 2025* Seems to work good for filtering small particles ## Frequently Bought Together - AO Smith 4.5"x10" 20 Micron Sediment Water Filter Replacement Cartridge - For Whole House Filtration Systems - AO-WH-PREL-RP - AO Smith 4.5"x10" 5 Micron Carbon Sediment Water Filter Replacement Cartridge - For Whole House Filtration Systems - AO-WH-PREL-RCP - AO Smith AO-WH-LG-OR - Whole House Water Filter O-Ring 5.48 Inch 14 Cm Diameter Fits Most Housings Made for 4.5 Inch Filters --- ## 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.co.th/products/152011416-ao-smith-4-5x10-20-micron-sediment-water-filter-replacement](https://www.desertcart.co.th/products/152011416-ao-smith-4-5x10-20-micron-sediment-water-filter-replacement) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-23*