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iSpring F9K NSF Certified 1-Year Reverse Osmosis Water Filter Replacement Pack, Alkaline Remineralization Filters for 6-Stage RO Systems, Without RO Membrane
Details
- MaterialPolypropylene
- Product Dimensions2.5"D x 2.5"W
- Item Weight2.7 Kilograms
- External Testing CertificationANSI
- Product BenefitsRemoves and
Description
💧 Elevate your hydration game—pure, balanced, and effortlessly fresh!
- YEAR LONG PURE HYDRATION - Enjoy a full 12 months of crystal-clear, contaminant-free water with this comprehensive 9-filter replacement pack.
- ALKALINE BOOST FOR WELLNESS - Restore essential minerals like calcium and magnesium to your water, balancing pH for a healthier, revitalizing sip every time.
- TAILORED 6 STAGE FILTRATION - Specifically designed for 6-stage RO systems, ensuring every drop is purified with sediment, carbon, and post-carbon precision.
- ELEVATE EVERYDAY TASTE HEALTH - Transform your water experience—better ice, richer coffee, fresher meals, and safer baby formula, all from your own tap.
- EFFORTLESS COMPATIBILITY INSTALLATION - Fits standard 10” x 2.5” housings with quick push-fit connections for hassle-free filter swaps—no plumber needed.
The iSpring F9K is a NSF-certified 1-year replacement filter pack for 6-stage reverse osmosis systems, featuring 9 individually wrapped cartridges including sediment, granular activated carbon, carbon block, post-carbon, and alkaline remineralization filters. Designed to fit standard 10” x 2.5” housings, it removes contaminants while restoring healthy minerals to produce pH-balanced, great-tasting water without including the RO membrane.
Specifications
| Material | Polypropylene, Granular Activated Carbon, Carbon Block |
| Product Dimensions | 2.5"D x 2.5"W x 10"H |
| Item Weight | 2.7 Kilograms |
| External Testing Certification | ANSI |
| Product Benefits | Removes contaminants and restores healthy minerals for better tasting water |
| Brand | iSpring |
| UPC | 662425058518 |
| Global Trade Identification Number | 00662425058518 |
| Unit Count | 1.0 Count |
| Number of Items | 1 |
| Manufacturer | iSpring |
| Part Number | F9K |
| Item Weight | 5.94 pounds |
| Country of Origin | China |
| Item model number | F9K |
| Is Discontinued By Manufacturer | No |
| Size | 9 Count (Pack of 1) |
| Color | White |
| Style | 1-Year Replacement Filter w/AK Set |
| Pattern | Reverse |
| Item Package Quantity | 1 |
| Number Of Pieces | 9 |
| Included Components | Water filters |
| Batteries Included? | No |
| Batteries Required? | No |
Reviews
J**S
Outstanding Customer Support
We’ve had the iSpring under the sink 5 stage system for three years. It’s been a great addition for better health. I ordered this filter for the annual replacement. The new unit leaked from the easy connector. I called costumer support at iSpring and talked to Michele. She suggested it could be due to a damaged o-ring. She ordered and shipped a replacement for me at no additional cost. Customer support is outstanding. I highly recommend iSpring systems.
T**Y
Great water
We have really liked this filter for our home. I’ve had it for a few years. The water tastes amazing! The customer service is great too. I had a question today and Nick was very good at helping me troubleshoot the problem.
T**M
Great filters at great price!
Love this RO system and their filters!
J**A
The Secret to Better-Tasting Coffee
If you're serious about coffee, you know that water quality is everything. This iSpring alkaline filter doesn’t just clean the water—it enhances it. By restoring essential minerals and balancing pH, it gives my coffee that perfect, clean taste every single time. Installation was a breeze thanks to the quick-connect system, and maintenance is simple. I can confidently say that since adding this to my RO system, my espresso shots taste smoother, and my customers have noticed the difference! Plus, iSpring’s customer service is next-level—Nicholas personally made sure my system was running perfectly. If you own a coffee shop, this is an absolute must for consistency and quality.
M**T
Good product, sealed up well
Two of these (instead of one) should be included in the "1 year" filter replacement kits which contain 2 of all the other filters (except the RO unit). This has been quite bit of annoyance since I change all 5 filters (stage 1, 2, 3, 5, 6) on minimally used once a year and the RO unit (stage 4 I believe) every two years. So this causes me to buy one of these every two years (along with the RO filter).The unit arrived well packed was all sealed up and included a parts kit.I have to knock off a star for the annoyance of iSpring not including 2 of these instead of 1 in their water filter replacement kits.
A**T
Awesome product and better customer service
These filters are a great way to get clean drinking water at home. When my amazon order was missing some filters, I reached out to Ispring and Sean did a great job helping me out. He was prompt, understanding and sent me the missing filters. Thank you Sean!
L**S
Great tasting water
our water tastes great. we got it to add to our filter system we already had by iSpring for years now.
T**E
Good quality filters for the price!
First off the customer service from this company is great! Had a leaky elbow on our RO system and they were quick to send a replacement in the mail. The filter replacements are good quality and were easy to replace with the YouTube videos the company produces. Took about 20 min to swap out all our dirty filters and our water taste great. Worth the money!
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