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 Reverse Osmosis Water Filter Replacement Front 3 Stage Water Filter Cartridge for RCC7 Series Built-in Water Purifier Only 3 Filters

iSpring Reverse Osmosis Water Filter Replacement Front 3 Stage Water Filter Cartridge for RCC7 Series Built-in Water Purifier Only 3 Filters

Product ID: 734018409

Details

External Testing Certification
ANSI
Item Weight
0.01 Ounces
Material
Carbon Fiber
Product Dimensions
27.9D x 15.2W

⏳6-12 months filter lifespan

🌿Premium coconut shell activated carbon

🛡️3-stage advanced filtration tech

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Description

💧 Elevate your hydration game with iSpring’s triple-filter power!

TRIPLE STAGE PURITY - Sediment, GAC, and CTO filters work in harmony to deliver crystal-clear water.
FRESH TASTE GUARANTEE - Effectively removes chlorine, odors, and tastes for refreshing hydration every time.
EXTENDED MEMBRANE LIFE - Innovative pre-filters reduce clogging and pressure loss, protecting your RO system.
UNIVERSAL COMPATIBILITY - Designed for RCC7 series models, ensuring seamless replacement and performance.
PREMIUM CARBON EFFICIENCY - High-quality coconut shell carbon with 1.5mm pores maximizes contaminant removal.

The iSpring F3 Replacement 3-Step Water Filter Cartridge set features a sediment filter, granular activated carbon, and CTO carbon block to extend the life of your RCC7 series reverse osmosis system. Engineered with premium coconut shell carbon and advanced filtration layers, it ensures up to 12 months of clean, fresh-tasting water by efficiently removing chlorine, odors, and sediment.

Specifications

Brand	iSpring
Model Number	F3
Product Dimensions	27.94 x 15.24 x 15.24 cm; 0.28 g
Color	white
Name List for Name Plates	6 month pre-filter replacement set
Material	Carbon
Wallpaper Pattern	Reverse
Quantity	3
Laser Class	RO
Included Components	Water Filter
Are Batteries Included	No
Item Weight	0.28 g

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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