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 Reverse Osmosis Water Filter Replacement Pack

iSpring F3 Reverse Osmosis Water Filter Replacement Pack

Product ID: 375992470

Details

External Testing Certification
ANSI
Item Weight
0.01 Ounces
Material
Carbon Carbon
Product Benefits
Removes Dust
Product Dimensions
6.4D x 25.4W x

⚡Fast water flow - zero noise, hassle-free replacement

💧5 Micron Sediment Filter - ultra-fine particle removal

🛡️Granular Activated Carbon - powerful chemical absorption

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Description

💧 Elevate your hydration game with pure, fresh water—because your health deserves the best!

TRIPLE STAGE PURITY - Combines sediment, GAC, and CTO carbon filters for comprehensive contaminant removal
TASTE THE DIFFERENCE - Final stage carbon filter enhances water taste by eliminating chemical residues
EFFORTLESS MAINTENANCE - Easy-to-replace filters designed for 6-9 month lifespan, keeping your system running smoothly
CRYSTAL CLEAR HYDRATION - Removes dust and impurities down to 5 microns for pristine water quality
UNIVERSAL COMPATIBILITY - Fits most 10"x2.5" RO systems, including the popular iSpring RCC7 model

The iSpring F3 Replacement Pack features a premium 3-filter set (5 Micron Sediment, Granular Activated Carbon, and 5 Micron CTO Carbon) designed for reverse osmosis systems. Compatible with most 10"x2.5" filters, including iSpring RCC7, these filters last 6-9 months, ensuring clean, chemical-free water with improved taste and zero noise during operation.

Specifications

ASIN	B00NQF490I
Best Sellers Rank	#148,638 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #1,971 in Water Purifiers & Accessories
Brand	iSpring
Compatible Water Purifier Models	iSpring RCC7
Customer Reviews	4.7 out of 5 stars 2,365 Reviews
EU Spare Part Availability Duration	9 Months
Enclosure Material	Carbon,Activated Carbon
External Testing Certification	ANSI
Global Trade Identification Number	00662425070145
Included Components	Replacement Filter
Item Dimensions D x W x H	6.4D x 25.4W x 6.4H Centimeters
Item Weight	0.01 Ounces
Manufacture Year	2021
Manufacturer	iSpring
Manufacturer Part Number	F3
Material	Carbon , Activated Carbon
Model number	F3
Number of Items	1
Product Benefits	Removes Dust
Product Dimensions	6.4D x 25.4W x 6.4H Centimeters
UPC	662425070145
Unit Count	1 Count

Reviews

S**N

20.04.2026

P**R

24.01.2026

A**H

28.08.2025

S**L

8.01.2026

F**O

29.06.2025

N**S

2.03.2026

M**E

30.05.2025

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