iSpring F9K NSF Certified 1-Year Reverse Osmosis Water Filter, Alkaline Remineralization Filters for 6-Stage RO Systems, Without RO Membrane

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$ 56.70

Last price was updated on: 14th Dec 2025, 04:48 PM

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Pricing Analytics & Buying Assistance

Price Score: Excellent!

Poor Average Good Excellent

Current Price $56.70

$20.20

Lowest

$169.99

Highest

Buying Advice:
Excellent! Buy now. 52% chance price goes up. Buy soon.

Price History Benchmarks

Lowest Ever

$20.20

16th May 2017

Highest Ever

$169.99

20th Jan 2019

Average Price

$67.77

532 data points

Last 3M Low

$56.70

8th Oct 2025

Last 6M Low

$55.90

8th Jul 2025

Last 12M Low

$53.41

21st Jan 2025

Price History Chart

Product Variants

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Image of iSpring F9K NSF Certified 1-Year Reverse Osmosis Water Filter, Alkaline Remineralization Filters for 6-Stage RO Systems, Without RO Membrane

$56.70

iSpring F9K NSF Certified 1-Year Reverse Osmosis Water Filter, Alkaline Remineralization Filters for 6-Stage RO Systems, Without RO Membrane

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$18.99

iSpring FT15 NSF Certified 5th Stage Inline Post Carbon Water Filter, Replacement Cartridge with 1/4" Quick Connect for Refrigerator, Ice Maker, RO Reverse Osmosis Water Filtration System

Product Technical Information

Product Code	B00BOASJ1M
Market Place	amazon.com
Market Place Name	Amazon.com
Rating	4.6 ( 9754 ratings )
Category	Replacement Under-Sink Water Filters
Item Dimensions	2.5"D x 2.5"W x 10"H

Frequently Asked Questions

What is the lowest price ever for this product? ▶

The lowest price for iSpring F9K NSF Certified 1-Year Reverse Osmosis Water Filter Alkaline Remineralization Filters for 6-Stage RO Systems Without RO Membrane was $20.20 on 16th May 2017. This is the best recorded deal so far.
What is the highest price ever for this product? ▶

The highest price for iSpring F9K NSF Certified 1-Year Reverse Osmosis Water Filter Alkaline Remineralization Filters for 6-Stage RO Systems Without RO Membrane was $169.99 on 20th Jan 2019. Prices have dropped since then.
What is the average price of this product? ▶

The average price for iSpring F9K NSF Certified 1-Year Reverse Osmosis Water Filter Alkaline Remineralization Filters for 6-Stage RO Systems Without RO Membrane is $67.77 (532 data points). This helps you compare current deals.
What is the lowest price in the last 3 months? ▶

In the last 3 months, iSpring F9K NSF Certified 1-Year Reverse Osmosis Water Filter Alkaline Remineralization Filters for 6-Stage RO Systems Without RO Membrane reached a low of $56.70 on 8th Oct 2025. Recent price trends may help you decide when to buy.
Should I buy this product now? ▶

Buy now. The price is excellent compared to its history. 52% chance price goes up. Price may increase soon.