---
product_id: 254561740
title: "AO Smith AO-WH-PREL-RP - 4.5 Inch Sediment Filter Replacement - 20 Micron Filtration"
brand: "ao smith"
price: "8907 kr"
currency: ISK
in_stock: true
reviews_count: 5
category: "Ao Smith"
url: https://www.desertcart.is/products/254561740-ao-smith-ao-wh-prel-rp-4-5-inch-sediment
store_origin: IS
region: Iceland
---

# Whole house sediment protection 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:** ao smith
**Price:** 8907 kr
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your home’s water game with AO Smith’s sediment filter—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 ao smith
- **How much does it cost?** 8907 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/254561740-ao-smith-ao-wh-prel-rp-4-5-inch-sediment)

## Best For

- ao smith enthusiasts

## Why This Product

- Trusted ao 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 and keep your system running smoothly.
- • **Built for Busy Households:** Large 4.5-inch filter capacity designed to support families of 4+ without frequent changes.
- • **Extend Appliance Lifespan:** Reduce sediment buildup to protect your appliances and plumbing, saving you costly repairs down the line.
- • **Crystal Clear Water, Every Tap:** 20 micron filtration removes sediment invisible to the naked eye for pristine water throughout your home.
- • **Certified Genuine AO Smith Quality:** Ensure peak contaminant removal and system longevity with authentic AO Smith replacement filters.

## 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. It effectively reduces sediment smaller than the human eye can see, supporting households of 4 or more. Certified genuine AO Smith quality ensures optimal contaminant removal and system performance. Easy to replace every 3 months without professional help, this filter helps extend the lifespan of your appliances and plumbing.

## Description

AO Smith AO-WH-PREL-RP - 4.5 Inch Sediment Filter Replacement - 20 Micron Filtration : desertcart.ae: Tools & Home Improvement

Review: Water Filter
Review: Great

## 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 | AO Smith |
| Brand Name | AO Smith |
| Customer Reviews | 4.8 out of 5 stars 559 Reviews |
| Manufacturer | AO Smith |
| Material | Polycarbonate (PC) |
| Material Type | Polycarbonate (PC) |
| Model Number | RE301 |
| Number of Items | 1 |
| Product Benefits | Reduces Sediment |
| Product benefits | Reduces Sediment |
| Unit Count | 1.0 Count |
| Unit count | 1.0 Count |

## Product Details

- **Material:** Polycarbonate (PC)
- **Product benefits:** Reduces Sediment
- **Brand:** AO Smith
- **Unit count:** 1.0 Count
- **Number of Items:** 1

## 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)
![AO Smith AO-WH-PREL-RP - 4.5 Inch Sediment Filter Replacement - 20 Micron Filtration - Image 2](https://m.media-amazon.com/images/I/81CMQN9UhZL.jpg)
![AO Smith AO-WH-PREL-RP - 4.5 Inch Sediment Filter Replacement - 20 Micron Filtration - Image 3](https://m.media-amazon.com/images/I/712sxIAyOZL.jpg)
![AO Smith AO-WH-PREL-RP - 4.5 Inch Sediment Filter Replacement - 20 Micron Filtration - Image 4](https://m.media-amazon.com/images/I/81Ynng-hoZL.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 13 January 2026*



### ⭐⭐⭐⭐⭐ Great
*by D***I on 30 November 2025*



### ⭐⭐⭐⭐⭐ Good filter
*by J***S on 5 September 2025*



## 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.is/products/254561740-ao-smith-ao-wh-prel-rp-4-5-inch-sediment](https://www.desertcart.is/products/254561740-ao-smith-ao-wh-prel-rp-4-5-inch-sediment)

---

*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-16*