has anyone else found a slimy mold on top of this filter (the center ring) when replacing it for new?

That's the filter doing it's job.

How can i get a o ring for a model ao-wh-prel filter housing ?

I think Amazon has them, Lowes, or AO Smith.

Where are these manufactured? one site stated taiwan, but would like confirmation of that. thanks.

They are made in Taiwan, along with 75 percent of everything sold in the states. I've used these filters for the past few years and it does a very good job.

Great for well water. Get charcoal filter. Great drinking water

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AO Smith AO-WH-PREL-RCP - Carbon Sediment Filter Replacement 4.5 Inch - 5 Micron Filtration

AO Smith AO-WH-PREL-RCP - Carbon Sediment Filter Replacement 4.5 Inch - 5 Micron Filtration

Product ID: 260028253

Details

Brand
A. O. Smith
External testing certification
ISO
Item weight
0.01 Ounces
Material
Carbon
Product benefits
Reduces

🏠Large Capacity

💧5 Micron Filtration

🔄Easy Replacement

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Description

💦 Filter Your Way to Freshness!

CERTIFIED QUALITY - Only genuine A. O. Smith filters guarantee optimal performance and contaminant removal.
DESIGNED FOR FAMILIES - Perfect for households of 4 or more, ensuring everyone enjoys clean water.
PURE WATER PURE LIFE - Experience crystal-clear water with 5-micron filtration that removes unseen contaminants.
EFFORTLESS MAINTENANCE - No plumber needed! Replace your filter every 6 months with ease.
LONGER LASTING APPLIANCES - Protect your appliances and plumbing with a whole house filter system that reduces sediment.

The AO Smith AO-WH-PREL-RCP Carbon Sediment Filter Replacement is a high-performance filter designed for whole house systems. With a 5-micron filtration capability, it effectively removes sediment that is invisible to the naked eye, ensuring clean water from every tap. This large capacity filter is ideal for families of four or more and is easy to replace every six months without the need for a plumber. Trust only certified A. O. Smith filters for optimal system performance and longevity.

Specifications

ASIN	B07R18MYYD
Brand Name	A. O. Smith
Customer Reviews	4.7 4.7 out of 5 stars (746)
External Testing Certification	ISO
Item Weight	0.01 Ounces
Manufacturer	AO Smith
Manufacturer Part Number	Replacement Cartridge
Material Type	Carbon
Model Number	Replacement Cartridge
Number of Items	1
Product Benefits	Reduces Sediment
Unit Count	1 Count

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