Is this tha same as am. plumber w5cip478?

Yes, this is the same filter, it just has a different brand name on the label. Both brands (American Plumber and Pentek) are owned by Pentair.

What size are the inlet and outlet nipples?

I really don't know. They fit the filter canister that I bought from my plumber.

I have a model ccf-201 ametek filter system. what filter will be great to replace the cartridges with?

Probably best to go to the manufacturer's website and see what they recommend

What is the carbon made from? What is the cellulose powder made from?

We use the C1-20 Carbon filter in our ware treatment system for our summer cabin. It is one of 4 filters, plus a UV-Light. I assume the carbon filter is some sort of activated carbon for controlling the taste of the water. Lov2Read

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Pentair Pentek C2 Carbon Water Filter, 5-Inch, Dual Purpose Sediment and Chlorine Taste Odor Reduction Cartridge, 5 Micron, 2.5" x 4.88", for Standard Housings

Pentair Pentek C2 Carbon Water Filter, 5-Inch, Dual Purpose Sediment and Chlorine Taste Odor Reduction Cartridge, 5 Micron, 2.5" x 4.88", for Standard Housings

Product ID: 21127661

Details

External Testing Certification
NSF
Item Weight
3.52 ounces
Material
Polypropylene
Product Benefits
Water Solution
Product Dimensions
2.53"D x x

💧5-micron fine sediment filtration

🔋2,500-gallon chlorine reduction capacity

⚙️Standard 5-inch housing compatibility

€ 25.47

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Description

💧 Elevate your water game—pure taste, zero compromise!

SEAMLESS FIT - Drop-in design fits all standard 5" x 2.5" housings—no adapters, no hassle
BUILT TO ENDURE - Durable vinyl plastisol and polypropylene core engineered for everyday residential water pressure
DUAL ACTION PURITY - Combines sediment capture and chlorine taste/odor reduction in one sleek cartridge
FLOW WITHOUT COMPROMISE - Low 2 psi pressure drop at 2 gpm keeps your water flowing strong and steady
LONG LASTING PERFORMANCE - Filters over 2,500 gallons before replacement—stay worry-free for 3+ months

The Pentair Pentek C2 is a compact, dual-purpose carbon water filter cartridge designed for standard 5-inch housings. It effectively removes fine sediment down to 5 microns while reducing chlorine taste and odor, delivering over 2,500 gallons of clean water at a steady flow with minimal pressure drop. Built with durable materials, it ensures reliable residential filtration performance and easy replacement every three months.

Specifications

ASIN	B001VXW0V2
Best Sellers Rank	#12,717 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #93 in Replacement Under-Sink Water Filters
Brand Name	Pentek
Customer Reviews	4.6 4.6 out of 5 stars (1,091)
External Testing Certification	NSF
Global Trade Identification Number	00051678022436
Included Components	Carbon Water Filter
Item Dimensions D x W x H	2.53"D x 4.89"W x 2.53"H
Item Type Name	Carbon Water Filter C1
Item Weight	3.52 ounces
Manufacture Year	2020
Manufacturer	Pentair Industries
Manufacturer Part Number	155022-43
Material Type	Polypropylene (PP)
Model Number	C2
Number of Items	1
Product Benefits	Water Filtration Solution
Set Name	C Series
UPC	700999877484 051678022436
Unit Count	1 Count

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