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Raises pH level. The ro membrane removes not only harmful pollutants but also a few helpful minerals. Experience clean, safe, and good-tasting water every time you turn on the faucet. Updated fa15 alkaline mineral filters are built with a secure push-fit quick connection, which allows faster filter replacement.

We are happy to be here to support our customers and provide them with high quality drinking water both now and in the years to come. If you have trouble installing the filters please either refer to the user manual or contact us directly.
We offer tech and customer service support by phone or email from our georgia, USA location. Made in the usa with the best quality components. The ro membrane removes not only harmful pollutants but also a few healthy minerals, resulting in standard 5-stage RO systems producing slightly acidic water with a pH of 7. 0 or below. This filter uses all natural mineral stones as the filtration media and never sacrifices quality for quantity. This filter is a superb add-on filter to compliment any existing or new reverse osmosis RO water filtration systems.


Enjoy crystal clear ice cubes, safe, fresher tea and coffee, better tasting foods, healthier baby formula – even better than most bottled water. This filter pack does not include an ro membrane.
The ro membrane removes not only harmful pollutants but also a few helpful minerals. 5" replacement water filters included: 2x sediment filters, 2x granular activated carbon filters, 2x carbon block filters, 1x post-carbon filter, and 2x alkaline filters. If you have trouble installing the filters, please refer to the user manual or contact us. Experience clean, and good-tasting water every time you turn on the faucet.

Get the cleanest water and the best value in your reverse osmosis water filter.

You can also directly install it under your kitchen sink. This ro remineralization filter is able to last 12 months or 1, 100 gallons, whichever comes first. This filter can also be connected to refrigerators or RO water purifiers.
Up to 8300 single-used bottles and $12600 spent on bottled mineral water can be saved. Waterdrop reverse osmosis remineralization system adopts PCC technology to activate the crystalline structure of minerals, simulates the formation mechanisms of mineral spring to activate every mineral and guarantees product’s quality. This ro remineralization filter as an independent water filter is designed to compatible with 1/4” quick connect tubing.

Produces pH-balanced alkaline water. Ph will be around 7. 5-8. 5. Inlet/outlet: 1/4" npt thread, NOTE:Please flush new filters 15 minutes.
Good packing-the filter is individually wrapped&sealed well. Function-alkaline mineral ph+ remineralization filter, adjust ro water ph is 5-6 to alkalescent water. Standard-fits most 5 or 6 stage reverse osmosis systems. Providing all essential mineral supplements while drinking a tastier water than your normal RO water.

Just 1 piece filter in the box, if you need fittings, clamp and tube, please choose product ASIN:B07TNHXWFH. It feels remarkably refreshing and gives an all-around healthy boost. Providing all essential mineral supplements while drinking a tastier water than your normal RO water.


On demand support: support from experts who can answer any of your questions about your replacement water filters.
1. iSpring
#ad
ISpring FA15 Alkaline Water Filter Cartridge for Reverse Osmosis RO System 3-Layer 10-inch Inline Quick Connect Replacement or Add-on, pH Balance and Restore Minerals
#adiSpring #ad - Alkaline mineral filter produces alkaline water with restored healthy minerals such as natural calcium, and potassium ions, magnesium, which ph. Balances the RO water.Raises pH level. The ro membrane removes not only harmful pollutants but also a few helpful minerals. Experience clean, safe, and good-tasting water every time you turn on the faucet. Updated fa15 alkaline mineral filters are built with a secure push-fit quick connection, which allows faster filter replacement.
More information #ad
0 or below. The alkaline filter can be added to any under-sink water filter or RO system. If you have trouble installing the filters, please refer to the user manual or contact us. As a result, a standard 5 stage RO system produces slightly acidic water with a pH of 7.Brand | iSpring #ad |
Manufacturer | iSpring #ad |
Height | 10 Inches |
Length | 2.5 Inches |
Weight | 0.06 Pounds |
Width | 2.5 Inches |
Part Number | FA15 |
Model | FA15 |
More information #ad
2. iSpring
#ad
ISpring FA15US Premium 10-inch Universal Inline Alkaline Replacement Water Filter Cartridge with Calcite for Reverse Osmosis RO System, pH+, 1 Count Pack of 1, Made in USA
#adiSpring #ad - Average filter life: 6 -12 months, depending on your source water and usage. Ispring fa15us alkaline filter is built with a secure push-fit quick connection on both sides, allowing for faster filter replacement. Contact our knowledgeable team for help with product selection that fits your specific water filtration needs and after-sale support to simplify your user experience.We are happy to be here to support our customers and provide them with high quality drinking water both now and in the years to come. If you have trouble installing the filters please either refer to the user manual or contact us directly.
More information #ad
Comes with 1/4” and 3/8” both size quick connection fittings. Individually wrapped, universal sized, high capacity alkaline filter replacement cartridge for iSpring PH100 and most industry standard 10” 6-stage reverse osmosis RO systems. We offer tech and customer service support by phone or email from our georgia, USA location. Made in the usa with the best quality components. The ro membrane removes not only harmful pollutants but also a few healthy minerals, resulting in standard 5-stage RO systems producing slightly acidic water with a pH of 7. 0 or below. This filter uses all natural mineral stones as the filtration media and never sacrifices quality for quantity. This filter is a superb add-on filter to compliment any existing or new reverse osmosis RO water filtration systems.
Brand | iSpring #ad |
Manufacturer | iSpring #ad |
Height | 2 Inches |
Length | 10 Inches |
Weight | 0.9 Pounds |
Width | 2 Inches |
Part Number | FA15US |
Model | FA15US |
Warranty | Warranty and Support: By default every iSpring replacement filter comes with thirty-day money back policy and extended manufacturer warranty. We care and love to help customers. Besides DIY videos on YouTube and Knowledge Base on our website, we provide direct customer service from Atlanta, GA. Please don't hesitate to reach out to us before and after your purchase. Your satisfaction is our business! |
More information #ad
3. APEC Water Systems
#ad
Replacement Filter Only, APEC FI-PHPLUS-QC US MADE 10" High Purity pH+ Calcium Carbonate Alkaline Filter with ¼” Quick Connect For Reverse Osmosis Water Filter System For Standard System
#adAPEC Water Systems #ad - Made of 100% us-made high purity calcium carbonate to effectively neutralized acidity. Quick connection fittings for easy leak free installation. A perfect add on filter to compliment any existing or new ro Drinking water systems - filter only.More information #ad
Friction-welded construction with no glues or binder to provide reliable, no-leak seal. Increase ph level of the water by adding calcium carbonate mineral back into the water.Brand | APEC Water Systems #ad |
Manufacturer | APEC Water Systems #ad |
Height | 4 Inches |
Length | 14 Inches |
Width | 4 Inches |
Part Number | FI-PHPLUS-QC |
Model | FI-PHPLUS-QC |
More information #ad
4. iSpring
#ad
ISpring F9K 1-Year Reverse Osmosis Water Filter Replacement Cartridge Pack Set for 6-Stage Alkaline Mineral RO Filtration Systems, White, Without Membrane
#adiSpring #ad - Updated fa15 alkaline mineral filters and FT15 post-carbon filters are built with a secure push-fit quick connection, which allows faster filter replacement. Alkaline mineral filter produces alkaline water with restored healthy minerals such as natural calcium, which ph-balances the RO water.Enjoy crystal clear ice cubes, safe, fresher tea and coffee, better tasting foods, healthier baby formula – even better than most bottled water. This filter pack does not include an ro membrane.
More information #ad
0 or below. 9 pieces of 10" x 2. Individually wrapped 1-year high capacity filter replacement cartridge pack for 6-stage RO systems. As a result, magnesium, and potassium ions, a standard 5 stage RO system produces slightly acidic water with a pH of 7. The ro membrane removes not only harmful pollutants but also a few helpful minerals. 5" replacement water filters included: 2x sediment filters, 2x granular activated carbon filters, 2x carbon block filters, 1x post-carbon filter, and 2x alkaline filters. If you have trouble installing the filters, please refer to the user manual or contact us. Experience clean, and good-tasting water every time you turn on the faucet.
Brand | iSpring #ad |
Manufacturer | iSpring #ad |
Height | 10 Inches |
Length | 2.5 Inches |
Weight | 5.95 Pounds |
Width | 2.5 Inches |
Part Number | F9K |
Model | F9K |
More information #ad
5. EXPRESS WATER
#ad
Express Water – Alkaline Water Filter Replacement – Mineral, Antioxidant, pH+ – 10 Inch – Under Sink and Reverse Osmosis System
#adEXPRESS WATER #ad - Reverse osmosis filter replacement: experience what water should taste like with the Express Water reverse osmosis water filtration system reduces up to 99. 99% impurities. Alkaline water filter: made with all-natural mineral resources, potassium, Express Water alkaline filters enhance your drinking water by boosting pH and Oxygen levels while adding essential minerals including calcium, magnesium, and more.Get the cleanest water and the best value in your reverse osmosis water filter.
More information #ad
Replacement water filter: Express Water filters are made with the highest quality materials for long-lasting filtration and value. Ro water filter replacement: each express water replacement filter is specially designed to work together and compliment each other. On demand support: support from experts who can answer any of your questions about your replacement water filters.Brand | EXPRESS WATER #ad |
Manufacturer | Express Water #ad |
Height | 3 Inches |
Length | 3 Inches |
Width | 12 Inches |
Part Number | FLTALK10Q-1PK |
More information #ad
6. Waterdrop
#ad
1/4” Quick Connect Post Filter for RO Reverse Osmosis Filter System, Waterdrop Remineralization Inline Water Filter, Restore Essential Minerals
#adWaterdrop #ad - It could connect with most reverse osmosis water systems on the market or under-sink water filtration system, which let you enjoy “spring water” coming from your tap. Drinking this ro mineral water will, slow down the aging process, magnesium, and improve digestion and immunity. Now people can drink healthy water straight at home with a safe product.You can also directly install it under your kitchen sink. This ro remineralization filter is able to last 12 months or 1, 100 gallons, whichever comes first. This filter can also be connected to refrigerators or RO water purifiers.
More information #ad
You can simply plug or unplug the tubing without any tools! You could use the remineralization filter in different ways. 1/4" quick-connect fittings, it can be easy connected and disconnected during filter change-outs. The ro remineralization filter selects natural materials to restore minerals like calcium, help avoid chronic diseases, in the long run, potassium, sodium, etc. Up to 8300 single-used bottles and $12600 spent on bottled mineral water can be saved. Waterdrop reverse osmosis remineralization system adopts PCC technology to activate the crystalline structure of minerals, simulates the formation mechanisms of mineral spring to activate every mineral and guarantees product’s quality. This ro remineralization filter as an independent water filter is designed to compatible with 1/4” quick connect tubing.
Brand | Waterdrop #ad |
Manufacturer | Waterdrop #ad |
Height | 10.2 Inches |
Length | 2.16 Inches |
Width | 2.16 Inches |
Part Number | WD-MNR35 |
Model | WD-MNR35 |
More information #ad
7. Geekpure
#ad
Geekpure 10-inch Universal Inline Alkaline Replacement Water Filter Kit pH+ for Reverse Osmosis System -1/4”Thread
#adGeekpure #ad - It feels remarkably refreshing and gives an all-around healthy boost. Life time:3-6 months, shelf life:3 years. And add calcium, magnesium, sodium and potassium ions back to the Ro water, Used with Ro systems to complement their absolute filtration qualities.Produces pH-balanced alkaline water. Ph will be around 7. 5-8. 5. Inlet/outlet: 1/4" npt thread, NOTE:Please flush new filters 15 minutes.
More information #ad
Dimension-diameter 2" x length 10". Pack of 101 x alkaline filter, 1 x seal tape, 2 x quick fittings for 1/4" tube, 2 x fixed clamp, 2 x quick fittings for 3/8" tube, 2 x 1/4" and 3/8" PE tube. Good packing-the filter is individually wrapped&sealed well. Function-alkaline mineral ph+ remineralization filter, adjust ro water ph is 5-6 to alkalescent water. Standard-fits most 5 or 6 stage reverse osmosis systems. Providing all essential mineral supplements while drinking a tastier water than your normal RO water.
Brand | Geekpure #ad |
Manufacturer | Geekpure #ad |
Height | 2 Inches |
Length | 10 Inches |
Weight | 0.8 Pounds |
Width | 2 Inches |
Part Number | C-RO5-AF |
Model | C-RO5-AF |
More information #ad
8. Geekpure
#ad
Geekpure 10-inch Inline Alkaline Replacement Water Filter Cartridge pH+ for Reverse Osmosis System -1/4”Thread
#adGeekpure #ad - Standard-fits most 5 or 6 stage reverse osmosis systems, NOTE:Please flush new filters 15 minutes. Dimension-diameter 2" x length 10". Ph will be around 7. 5-8. 5. Inlet/outlet: 1/4" npt thread.Just 1 piece filter in the box, if you need fittings, clamp and tube, please choose product ASIN:B07TNHXWFH. It feels remarkably refreshing and gives an all-around healthy boost. Providing all essential mineral supplements while drinking a tastier water than your normal RO water.
More information #ad
Good packing-the filter is individually wrapped&sealed well. Life time:3-6 months, shelf life:3 years. Function-alkaline mineral ph+ remineralization filter, sodium and potassium ions back to the Ro water, adjust Ro water PH is 5-6 to alkalescent water. And add calcium, magnesium, Used with Ro systems to complement their absolute filtration qualities. Produces pH-balanced alkaline water.Brand | Geekpure #ad |
Manufacturer | Geekpure #ad |
Height | 2 Inches |
Length | 10 Inches |
Weight | 0.8 Pounds |
Width | 2 Inches |
Part Number | C-RO5-AF |
Model | C-RO5-AF |
More information #ad
9. APEC Water Systems
#ad
APEC PHPLUSKIT-14 US MADE 10" Alkaline High Purity pH+ Calcium Carbonate Inline Filter Kit with 1/4" Quick Connect
#adAPEC Water Systems #ad - Increase ph level of the water by adding calcium carbonate mineral back into the water. Quick connection fittings for easy leak free installation. A perfect add on filter to compliment any existing or new ro drinking water systems.More information #ad
Made of 100% us-made high purity calcium carbonate to effectively neutralized acidity. Friction-welded construction with no glues or binder to provide reliable, no-leak seal.Brand | APEC Water Systems #ad |
Manufacturer | APEC Water Systems #ad |
Height | 3 Inches |
Length | 12 Inches |
Weight | 1 Pounds |
Width | 9 Inches |
Part Number | PHPLUSKIT-14 |
Model | PHPLUSKIT-14 |
More information #ad
10. EXPRESS WATER
#ad
PH+ – 10 Inch – Under Sink and Reverse Osmosis System, Express Water – 2 Pack Alkaline Water Filter Replacement – Mineral, Antioxidant
#adEXPRESS WATER #ad - Reverse osmosis filter replacement: experience what water should taste like with the Express Water reverse osmosis water filtration system filters out up to 99. 99% impurities. Alkaline water filter: made with all-natural mineral resources, magnesium, Express Water alkaline filters enhance your drinking water by boosting pH and Oxygen levels while adding essential minerals including calcium, potassium, and more.On demand support: support from experts who can answer any of your questions about your replacement water filters.
More information #ad
Ro water filter replacement: each express water replacement filter is specially designed to work together and compliment each other. Replacement water filter: Express Water filters are made with the highest quality materials for long-lasting filtration and value. Get the cleanest water and the best value in your reverse osmosis water filter.Brand | EXPRESS WATER #ad |
Manufacturer | Express Water #ad |
Height | 10 Inches |
Length | 2.5 Inches |
Weight | 3.9 Pounds |
Width | 2.5 Inches |
Part Number | FLTALKQ10-2Pcs |
Model | FLTALKQ10-2Pcs |
More information #ad