--- product_id: 254561740 title: "AO Smith AO-WH-PREL-RP - 4.5 Inch Sediment Filter Replacement - 20 Micron Filtration" brand: "a. o. smith" price: "€ 68.76" currency: EUR in_stock: true reviews_count: 5 category: "A. O. Smith" url: https://www.desertcart.hr/products/254561740-ao-smith-ao-wh-prel-rp-4-5-inch-sediment store_origin: HR region: Croatia --- # Whole house sediment reduction 20 micron ultra-fine filtration Easy DIY replacement every 3 months AO Smith AO-WH-PREL-RP - 4.5 Inch Sediment Filter Replacement - 20 Micron Filtration **Brand:** a. o. smith **Price:** € 68.76 **Availability:** ✅ In Stock ## Summary > 💧 Elevate your home’s water game—because every drop counts! ## Quick Answers - **What is this?** AO Smith AO-WH-PREL-RP - 4.5 Inch Sediment Filter Replacement - 20 Micron Filtration by a. o. smith - **How much does it cost?** € 68.76 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/254561740-ao-smith-ao-wh-prel-rp-4-5-inch-sediment) ## 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 - • **Effortless Maintenance:** Replace your filter in minutes—no plumber needed—keeping your system running smoothly without hassle. - • **Built for Busy Households:** Large 4.5-inch capacity filter designed to support families of 4+ with consistent performance. - • **Certified Quality Assurance:** NSF-certified genuine A. O. Smith filter guarantees trusted contaminant removal and system longevity. - • **Crystal Clear Water, Every Tap:** 20 micron filtration removes sediment invisible to the naked eye for pristine water throughout your home. - • **Subscription-Ready Convenience:** Stay ahead of sediment buildup with easy quarterly replacements that keep your water fresh and appliances protected. ## Overview The AO Smith AO-WH-PREL-RP is a 4.5-inch sediment filter replacement featuring 20 micron filtration designed for whole house systems. Certified by NSF, it effectively reduces sediment invisible to the eye, protecting appliances and improving water quality for households of four or more. Easy to replace every three months without professional help, this genuine A. O. Smith filter ensures consistent performance and long-lasting system health. ## Description AO Smith AO-WH-PREL-RP - 4.5 Inch Sediment Filter Replacement - 20 Micron Filtration : desertcart.ae: Tools & Home Improvement Review: 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: 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 | | Brand Name | A. O. Smith | | Customer Reviews | 4.8 4.8 out of 5 stars (562) | | External Testing Certification | NSF | | Item Weight | 0.25 Kilograms | | Manufacturer | AO Smith | | Manufacturer Part Number | RE301 | | Material Type | Polycarbonate (PC) | | Model Number | RE301 | | Number of Items | 1 | | Product Benefits | Reduces Sediment | | Unit Count | 1.0 Count | ## Product Details - **Brand:** A. O. Smith - **External testing certification:** NSF - **Item weight:** 0.25 Kilograms - **Material:** Polycarbonate (PC) - **Product benefits:** Reduces Sediment ## Images ![AO Smith AO-WH-PREL-RP - 4.5 Inch Sediment Filter Replacement - 20 Micron Filtration - 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 ### ⭐⭐⭐⭐⭐ Review *by J***R on 13 January 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. ### ⭐⭐⭐⭐⭐ Review *by D***I on 30 November 2025* Price and saves my water! ### ⭐⭐⭐⭐⭐ Review *by J***S on 5 September 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.hr/products/254561740-ao-smith-ao-wh-prel-rp-4-5-inch-sediment](https://www.desertcart.hr/products/254561740-ao-smith-ao-wh-prel-rp-4-5-inch-sediment) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-23*