Can this set of replacement filters be used for the iSpring US31?

Hi, Yes, these filters are compatible with the unit model US31. For more details, please contact us at (678)261-7611. Regards, iSpring Water Systems, LLC

Is the water supposed to come out foggy and fizzy?

Hi Ann, Yes, for a week or two, the water might come out cloudy due to the trapped air bubbles in the system. In time, these will dissipate and your water will begin to clear up. If you have any questions or need additional assistance, please contact us at support@123filter.com or call us at (678) 261-7611. Thanks, iSpring Water Systems, LLC

Will these cartridges work on an existing Culligan RO system? How will I know? Thanks.

If the size of filter is the same and the end deals are the same then, I think they should work.

Can we use this package for WCC31?

Thanks for the question! You can certainly use this filter pack for the WCC31. We use industry standard filters, so each of the 2.5" x 10" cartridges and filter packs are completely interchangeable with each other.

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iSpring F3 6-Month Prefilter Water Filter for Standard Undersink/Reverse Osmosis RO Systems

iSpring F3 6-Month Prefilter Water Filter for Standard Undersink/Reverse Osmosis RO Systems

Product ID: 11353547

Details

External Testing Certification
NSF/ANSI
Item Weight
0.27 g
Material
Carbon
Product Dimensions
11"D x 6"W x

⏳6-month high capacity lifespan

💧Triple-stage filtration for pure water

🛠️Easy DIY replacement, no hassle

6294 kr

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Description

💧 Elevate your hydration game with crystal-clear confidence!

HASSLE FREE INSTALLATION - Individually wrapped filters with clear instructions make replacement quick and stress-free—no plumber needed.
NSF ANSI CERTIFIED QUALITY - Certified filtration that meets rigorous safety and performance standards for peace of mind.
COMPATIBLE WITH I SPRING RCC 7 - Seamlessly integrates with your existing RO system for effortless upgrade and maintenance.
TRIPLE STAGE FILTRATION POWER - Sediment, granular activated carbon, and carbon block filters work in harmony to remove chlorine, sediment, and impurities for crisp, fresh taste.
6 MONTH HIGH CAPACITY PREFILTER - Enjoy consistently clean water without frequent changes—designed to last half a year.

The iSpring F3 6-Month Prefilter Water Filter pack includes three premium 10" x 2.5" filters—sediment, granular activated carbon, and carbon block—designed to extend the life of your RO membrane and improve water taste by removing sediment and chlorine. Compatible with standard undersink RO systems like the iSpring RCC7, this NSF/ANSI certified filter pack offers a reliable 6-month lifespan and easy DIY installation, making it a top choice for professionals seeking clean, safe drinking water with minimal upkeep.

Specifications

ASIN	B00NQF490I
Best Sellers Rank	#4,992 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #6 in Replacement Countertop Water Filters #9 in Under-Sink & Countertop Filtration
Brand Name	iSpring
Compatible Water Purifier Models	iSpring RCC7
Customer Reviews	4.7 4.7 out of 5 stars (2,611)
EU Spare Part Availability Duration	6 months
External Testing Certification	NSF/ANSI
Global Trade Identification Number	00662425070145
Included Components	Water filters
Item Dimensions D x W x H	11"D x 6"W x 6"H
Item Type Name	Water Filter
Item Weight	0.27 g
Manufacture Year	2021
Manufacturer	iSpring
Manufacturer Part Number	F3
Material Type	Carbon
Model Number	F3
Number of Items	1
Product Benefits	Removes sediment, chlorine, and residual chlorine, extends membrane lifespan, and is easy to replace, meeting NSF/ANSI standards.
Set Name	Chlorine Removal Filter Pack For US31 - PP+GAC+CTO
UPC	662425070145
Unit Count	3 Count

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