No, this under-sink water filtration system does not reduce TDS levels. Instead, it maintains the TDS of the incoming water, preserving essential minerals. If TDS reduction is necessary, we recommend considering an iSpring reverse osmosis system.

iSpring US31-NC Classic 3-Stage Under Sink Water Filtration System for Drinking, Reduces Chloramine, PFAS, Tankless Under Sink Water Filter, High Capacity Water Filter for Sink

iSpring US31-NC Classic 3-Stage Under Sink Water Filtration System for Drinking, Reduces Chloramine, PFAS, Tankless Under Sink Water Filter, High Capacity Water Filter for Sink

Q: Does this system require electricity to operate?

No, the US31 under sink water filtration system does not require electricity to operate. It works on water pressure alone.

Q: How much water pressure is required for it to work ?

The feed water pressure should be: 30-70 psi

Q: How long do the filters last before needing replacement?

The filters should be replaced every 6 to 12 months, depending on usage and water quality. This ensures optimal performance and water quality.

Product ID: 737510931

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Details

Brand
iSpring
Special Feature
Tankless
Product Dimensions
33L x 13.5W x
Package Information
Bottle
Installation Type
Under Sink

⚡1 GPM fast flow rate

💧99.4% chloramine removal

🔍3-stage catalytic carbon filtration

Frequently Bought Together

iSpring US31-NC Classic 3-Stage Under Sink Water Filtration System for Drinking, Reduces Chloramine, PFAS, Tankless Under Sink Water Filter, High Capacity Water Filter for Sink

iSpring F3-NC 6-Month Prefilter Replacement Supply Filter Cartridge Pack Set for US31-NC, Pack of 1

Description

💧 Drink Pure, Live Elevated — Because Your Water Deserves the Best

CHLORAMINE SLAYER - Eliminates up to 99.4% of chloramine for cleaner, safer water.
TRIPLE STAGE PURITY - Advanced 3-stage filtration removes sediment, chemicals, PFAS, and odors.
SLEEK SMART DESIGN - European brushed nickel faucet with clear housing for easy filter checks.
HASSLE FREE HYDRATION - Tankless system with easy installation and 6-12 month filter replacement cycle.
FLOW WITHOUT COMPROMISE - Delivers a rapid 1 gallon per minute flow rate—no waiting, just fresh water.

The iSpring US31-NC is a premium 3-stage under-sink water filtration system featuring catalytic carbon technology that removes up to 99.4% of chloramine and harmful contaminants including PFAS. It offers a fast 1 GPM flow rate, a stylish brushed nickel faucet, and a clear first-stage housing for easy maintenance. Designed for effortless installation and backed by rigorous NSF/ANSI certifications, this tankless filter ensures fresh, clean water while preserving essential minerals.

Specifications

Brand	iSpring
Special Feature	Tankless
Product Dimensions	33L x 13.5W x 36.1H Centimeters
Package Information	Bottle
Installation Type	Under Sink
Purification Method	Activated Carbon
Model Name	under-sink water filtration system
Upper Temperature Rating	100 Degrees Fahrenheit
UPC	810004175563
Manufacturer	iSpring
Model number	US31-NC
Number of Memory Sticks	1
Item Weight	6 kg 490 g
Item model number	US31-NC

Have a Question? See What Others Asked

Does this system require electricity to operate?

How much water pressure is required for it to work ?

How long do the filters last before needing replacement?

Will it reduce TDS?

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