AO Smith 4.5x10 25-Micron Carbon Sediment Filter for Whole House Systems — AO-WH-PREL-RC

Experience consistent water filtration at home with the AO Smith 4.5x10 25-Micron Carbon Sediment Replacement Cartridge. Designed for use with the AO-WH-PREL whole house filter system, this cartridge targets fine sediment and helps protect your plumbing and appliances from unseen particles. The result is water that feels cleaner at every tap and a filtration sequence you can trust, even in areas with higher mineral content or variable water quality.

Overview

This replacement cartridge features a 4.5-inch diameter by 10-inch length, built to deliver longer service life. Its 25-micron filtration captures sediment you might not see, helping to keep every tap water flow smoother and cleaner, from kitchen faucets to laundry lines. The cartridge is designed to work seamlessly within a timer-based whole-house filtration setup, ensuring a consistent filtration rhythm across your home.

Why this cartridge stands out

• Compatibility with AO-WH-PREL: use only genuine A. O. Smith filters for continued performance.
• Whole-house protection: reduces sediment in water from every outlet, supporting appliance efficiency.
• Fine filtration: 25 micron level catches small particles that typically go unnoticed.
• DIY replacement: swap the cartridge yourself in minutes without a plumber.
• Capacity suited for larger households: designed for homes with 4+ residents.

In everyday use, you may notice a steadier water feel and brighter faucet water as sediment-load is addressed at the source. The cartridge works quietly in the background, helping maintain steady water pressure and reduce the gritty sensation sometimes associated with older systems.

Compatibility and maintenance

paired with the AO-WH-PREL timer-enabled filtration system, this cartridge delivers consistent sediment reduction across your home’s water lines. Your kitchen, bathroom, and laundry rooms can benefit from smoother water flow and a more predictable filtration performance over time.

• Replace every 6 months for optimal performance, depending on water usage and quality.
• DIY replacement keeps maintenance simple and can reduce service calls.
• Ensure the cartridge is seated correctly to maintain proper water flow.
• Inspect for leaks after installation and reset the system timer if needed.

What’s included

• One replacement filter cartridge