AO Smith 4.5x10 5 Micron Carbon Sediment Filter Replacement Cartridge for Whole House AO-WH-PREL-RCP

Overview

Refresh every tap with the AO Smith 4.5x10 inch replacement cartridge, designed for the AO-WH-PREL whole-house filtration system with timer. This genuine AO Smith part helps maintain contaminant removal and steady system performance as you go about daily routines.

With a robust 4.5 inch diameter, the cartridge holds a dense bed of carbon and media that captures sediment and fine particles before water reaches your faucets. The result can be water that feels crisper at the sink and in the shower, while your appliances work with less debris circulating through plumbing.

Key benefits at a glance

• Certified replacement for the AO-WH-PREL system, ensuring compatibility and performance.
• Large capacity design for households of four or more, extending time between replacements.
• Five micron filtration targets particles too small to see, helping reduce visible sediment at all taps.
• Easy DIY replacement — no plumber needed, with a six month replacement cycle to maintain filtration quality.
• One replacement cartridge included, ready to install in your existing whole-house setup.

Real-world usage and expectations

Imagine mornings with clearer water at the kitchen sink, a shower that rinsees off more smoothly, and dishes that come out with less film. This cartridge works behind the scenes in your whole-house filter, filtering all incoming water for the entire home.

• Family-sized homes often appreciate the large cartridge capacity, helping maintenance stay simple.
• Because filtration occurs before water reaches taps, you’ll experience consistent performance across bathrooms, laundry, and the kitchen.

Installation and upkeep tips

Replace the cartridge every six months as part of routine maintenance. This simple swap doesn’t require tools or a plumber and pairs with the timer on the AO-WH-PREL system for predictable filtration cycles. For best results, use only genuine AO Smith filters designed for your system.