Hero image 0 of iSpring US31 Under Sink Water System, NSF Certified 3-Stage Water Filters, Reduces PFAS, Chloramine, Chlorine and more, Tankless Water Filter System with Faucet, 0 of 8
iSpring US31 Under Sink Water System, NSF Certified 3-Stage Water Filters, Reduces PFAS, Chloramine, Chlorine and more, Tankless Water Filter System with Faucet
Key item features
- Advanced Filtration: Features a 3-stage system with sediment, granular activated carbon (GAC), and carbon filters to remove sediment, chlorine, odor, and taste.
- Certified Performance: Independently tested against NSF/ANSI standards (42, 53, 61) and manufactured to comply strictly with FDA standards.
- High Capacity: Provides up to 2000 gallons of filtered water, offering a cost-effective alternative to bottled water.
- Efficient Operation: Delivers an on-demand fast flow rate of up to 1 GPM, suitable for various household needs.
- Easy Installation: Designed for straightforward DIY installation and low maintenance, operating within a feed water temperature range of 40-100°F.
- Contaminant Reduction: Effectively reduces PFAS, chloramine, chlorine, and other contaminants, producing colorless, tasteless, and odorless water.
Generated by AI
Specs
- Filtration stages3
- Has written warrantyNo
- Rec. useResidential
- ManufacturerOverstock
- ModelUS31
- Color typeWhite, Blue, Multicolor
Reviews summary
Pros
- : Has a clean, neutral flavor profile.
- : Noticeably superior filter system and water taste.
Generated by AI
Current price is USD$119.99
Price when purchased online
- Free shipping
Free 30-day returns
How do you want your item?
Ships to
Arrives between Jun 5 - Jun 8
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Sold and shipped by iSpring Water Systems, LLC
4.6289592760181 stars out of 5, based on 221 seller reviews(4.6)221 seller reviews
Free 30-day returns
About this item
Product details
No more paying to have water delivered, the US31 Under-Sink Water Filter provides up to 2000 gallons directly from your tap at a fraction of the cost. This 3-stage filter system is designed for easy installation, low maintenance, and features a high-capacity sediment filter, a granular activated carbon (GAC) filter, and a carbon filter. The sediment filter protects and extends the life of your system by removing visible particles, while the GAC and carbon filters work together to eliminate harmful contaminants like chlorine, odor, and taste, providing you with bottled-quality water on demand. The on-demand fast flow rate of the US31 allows it to meet the widest possible range of needs in your home. Whether it's washing fresh produce like fruit and vegetables, or providing us with some extra peace of mind about the safety of our best friends, this system can provide you entire family with delicious, clean water straight from your tap. Flow Rate: Up to 1GPM depending on source water pressure. Maximum Pressure: 90psi
- Up to 20X more effective than the common water pitcher dispenser , Feed Water Temperature - 40-100 F
- Removes sediment, chlorine, and more to produce colorless, tasteless and odorless filtered water
- Manufactured to comply strictly with FDA standards and tested by independent third party against NSF/ANSI standards (42, 53, 61).
- Easy DIY installation. Lifetime support from iSpring in Atlanta, GA at (678) 261-7611
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.
Specifications
Under-sink & countertop filtration system type
Under-Sink Filtration System
Filtration stages
3
Brand
iSpring
Items included
Sediment 2X CTO Carbon Block Filters
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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Customer ratings & reviews
How item rating is calculated
Reviews summary
Pros
- : Has a clean, neutral flavor profile.
- : Noticeably superior filter system and water taste.
Generated by AI
Sort by |
Showing 1-3 of 32 reviews
Nov 4, 2025
Joyce
Top Reviewer
Item details
Sold and shipped byiSpring Water Systems, LLCColor: Other
5 out of 5 stars review
Verified Purchase
I'm an older woman and used a handyman service for installing, he said it was easy! It cleared up the intense chlorine taste and aroma and makes awesome ice and drinking water. I read a lot of reviews. I'm pleased with my purchase.
Incentivized Review
Helpful?4K34AVUFER7L359456132
Feb 1, 2026
Jamie
Item details
Sold and shipped byiSpring Water Systems, LLCColor: Other
5 out of 5 stars review
Verified Purchase
Wonderful Product
So happy with this purchase. Shipping was really fast and product is exactly as advertised.
Incentivized Review
Helpful?4K34AVUFER7L359456132
Apr 11, 2026
david
Top Reviewer
Item details
Sold and shipped byiSpring Water Systems, LLCColor: Other
5 out of 5 stars review
Verified Purchase
had to return wouldn't fit in the RV
Helpful?4K34AVUFER7L359456132
