10 Best Frizzlife Mk99 Under Sink Water Filter of December 2025

• 【0.01μm Ultra-Filtration Technology】Frizzlife GX99 UF under sink water filtration adopts advanced ultrafiltration membrane with 0.01 micron filtration accuracy. The Ultra Filtration water filter system can effectively filter out harmful contaminants larger than 0.01 micron, including but not limited to chlorine, fluoride lead, other heavy metals, VOCs, silt, rust, etc. GX99 retains essential minerals in your drinking water, which are beneficial to your health.
• 【Integrated Waterway & Super Compact Design】As an all-in-one under counter filtration system, GX99 adopts integrated waterway technology, which greatly cuts down the risks of water leakage. Less tubing connection points, less leaking concern! GX99 3-stage water filter features with super compact and tankless design, the small footprint saves more than 80% of storage space under the kitchen sink.
• 【Twist To Replace & DIY Install】Replacement work only requires a simple twist-and-pull with the wrench provided. Please make sure the filter cartridge is aligned with the lock icon on the panel. GX99 comes with 3 pre-loaded filter cartridges, a brushed nickel lead-free faucet, 1/4” tubing, feed water adapter and all accessories you need for installation. The complete kit makes the installation effortless and hassle free! The straightforward installation tutorial video is also available online.
• 【Fast Water Flow & No Power Required】The tested full flow rate is 1.18 GPM @ 60psi, which nearly doubles the flow rate of most ultrafiltration system on markets. You can always collect 10oz cup of ultra pure water in 4 seconds! Besides, the system does not require electricity to work. Enjoy ultra filtration performance and get ultra fresh drinking water with power out!
• 【Multi-Usage & Zero Waste】Need clean and tasty ice water? GX99 ultra filtration system can be hooked up to your refrigerator / ice maker as well! With the help of Frizzlife IMC-1 ice maker kit, GX99 can simultaneously serve both the kitchen sink and refrigerator. Get instant access to crispy ice water with crystal ice cubes at home! The system Does Not product any waste water. Save your water bills and make your drinking water more affordable!

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• ✔Best-in-Class Filtration Performance: Frizzlife 3-stage under counter filter remove over 99.99% of harmful contaminants that are commonly found in water, including Lead(99%), Chlorine(99%), Chloramine, Fluoride, Heavy Metals, VOCs, and much more. Any unpleasant taste or odor would be completely removed, while health-benefiting essential minerals are kept.
• ✔Economic & Environment-Friendly: Unlike conventional all-in-one water purification with one-off use, Frizzlife saves your money and contributes to environmental protection through using replaceable filter cartridge M3001/M3002/M3003. Instead of luxuriously disposing of the entire plastic part, you only need to change the inside filter cartridge. Enjoy the superior water filter service in a more economic and greenway.
• ✔DIY Installation & Quick Change: Following clear and straightforward instructions, the filter system can be installed by yourself in a few minutes without the help of a professional plumber. The twist-in filter system makes the filter replacement a breeze. Just use the housing wrench in the box to screw up/down the housing caps to finish replacement effortlessly, no extra tools are required. Your hassle-free life is our concern.
• ✔Fast Water Flow: The flow rate can reach up to 2 GPM. Can always fill up a 330ml cup of water in 3 seconds! Get instant access to safe, pure, and tasty water whenever you turn on the tap. -REPLACEMENT: Please search "Frizzlife SK99 replacement filter" for a single-pack filter cartridge. For Value Pack (4pcs), please search" Frizzlife M3005 filter"
• ✔Fully Upgraded: The water filter system has been fully upgraded to a stronger version since Dec 2020 which passed 200,000 times of 600 psi water hammer test. No more leakage or crack concerns! It is compatible with both 3/8” and 1/2” cold water tubes. To ensure our 3/8” hose can perfectly fit with your 1/2” cold water tube as well, extra two 3/8"-to-1/2" converters are provided in case of need.

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• [Fully Certificated System] Frizzlife SK99 under sink water filter system is rigorously tested and certified by IAMPO against NSF/AISI 42&53 for Material Safety, Structure Integrity, Flow rate, and Filtration Effectiveness on eliminating but not restrict to chlorine, particle class, and lead.
• [Premium Filtration Performance (0.5 Micron)] Adopting 0.5 micron purification accuracy, almost 10X higher than other brands, the compounded filter cartridges of SK99 under counter water filter consist of more than 7 layers of filtration materials that can effectively remove over 99% of contaminants such as Dust, Sediments, Lead and other Heavy Metals, Chlorine, Chloramine, Fluoride, Heavy Metals, etc. from tap water whilst leaving in all the beneficial minerals.
• [Fast Water Flow & DIY Installation]The water filter for sink has a tested flow rate>2.0GPM @60 psi. The installation of the water filter takes less than 15 minutes following comprehensive video instruction, no plumber required. With TWIST-IN design, the replacement of the filters is super easy even for elders. The SK99 under sink filter system can simultaneously serve both of your sink and refrigerator by using our ice maker kit IMC-2 (Asin#B07RBMLR26).
• [Money Saver & Eco-Friendly]Frizzlife SK99 under sink water filter systems are designed with the concept of convenience, cost-effective and environmental-friendly. When replacing the filters, You don’t have to throw away the whole plastic housing but only the core filters inside. Choose Frizzlife to save more waste to the earth, and enjoy the great-tasting water in a more economic and greenway! Search replacement filters: M3001(Asin#B0855G76RK),M3002(Asin#B0855MPDR1),M3003(Asin#B0855VDQGP)
• [Superior Design with 24/7 USA Tech Support] The complete water filtration system of NEW SK99 has been upgraded, featured with stronger cases, bottom caps, integrated water board, etc. A pressure regulator is added, serving as double insurance. No more leakage or crack concerns! The compact design of the water filter for sink can perfectly fit your cabinet under the sink. With dedicated 24/7 customer service, the water purifier is guaranteed for 3 years at maximum.

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• ✔TWO-STAGE ADVANCED WATER PURIFIER WITH 0.5 MICRON: The Frizzlife MK99 Water Filtration System include a TWO-STAGE High precise compoud filter, which has a unique technology that removes over 99.99% of contaminants while leaving in all essential minerals. Eliminates LEAD, HEAVY METALS, CHLORINE, CHROMIUM 6, MERCURY, RUST, VOLATILE ORGANIC COMPOUNDS, CARCINOGENS, AND OTHER CONTAMINANTS, SUCH AS TURBIDITY, ORDORS AND BAD TASTES. Enjoy PURE AND HEALTHY WATER From the tap. NO more bottle water!
• ✔FITS BOTH 1/2" AND 3/8" COLD WATER LINE: Super EASY Installation. Come with 3/8" DIRECT CONNECT hoses that fits standard 3/8" feed water valves under US kitchen sinks. The Inline water filter system also come with a 3/8" to 1/2" converter fittings allow the system directly install to the existing both 1/2" and 3/8" cold water line and faucet under your sink. Took less than 3 minutes and NO PLUMBING REQUIRED! New installation video available.
• ✔AUTO SHUT OFF DESIGN: Utilizing quick change twist-in installation design makes it take less than 3 minutes for you to install the system or doing a filter replacement. Provides quick twist connection for easy, tool-free, no mess filter replacement. The filter cap is designed with BUILT-IN shut off valve. You don't even need to shut off the water supply whenever you work on the filter cartridge replacement.
• ✔HIGH FLOW RATE & MULTI-USAGE: Enjoy tap water as pure and healthy as spring fresh water. Tested Full Flow Rate ＞2.0GPM @40 psig. Good for cooking, washing fruits & veggies and cleaning dishes without watermarks.
• ✔MONEY SAVING & 100% SATISFACTION: The under counter water filter system contains a core filter cartridge inside the housing, you will only need to replace the core part of the filter cartridge instead of throwing away the whole plastic part, it will save you much money on replacing the cartridge and will do a lot of helps on the environmental protection. Each cartridge with high capacity can be used for 2 years or 1,600 gallon water, for better filtration, suggest to replace after 6-8 month.

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• 【Superb Filtration Performance】Frizzlife under sink water filter incorporates advanced filtration technology that extrudes NSF 42&53 Certified filtration ingredients and coconut carbon into a 0.5-micron block filter. Wrapped with PP layer, the composite filter can effectively remove 99% of the harmful contaminants from water(including chlorine, lead, other heavy metals, VOCs, bad taste, and odor) while keeping beneficial minerals.
• 【Sturdy & Strong】The full water filter system has passed 100,000 times of 600 psi water hammer test for system integrity and pressure resistance. Different from other flimsy systems on the market with plastic housing and fittings, the FK99 water filtration system under counter utilizes durable and lead-free brass fittings. No crack or leakage concerns! The water filter head also uses the auto-shutoff design. You don’t need to shut off the water supply when replacing the filter.
• 【Ultra-long Filter Life&Eco-Friendly】The inner filter of the undersink water filter system has an ultra-high filtration capacity at 10,000 gallons of water or a recommended replacement period of 12 months. For replacement, you only need to change the inner filter without throwing away the whole plastic housing cartridge. It saves a lot of waste and lowers the replacement cost. Search “PLC10” for the replacement filter. Rated flow at 2 GPM @ 60 psi. Enjoy fresh and clean water from your tap!
• 【Easy DIY Installation】Compatible with US kitchen sink (3/8” NPT or 1/2”). The kitchen sink filter can be directly connected to your existing faucet. It is super easy to be installed within 5 min following step-by-step user manual and installation video. Thanks to the threaded copper fittings on the system, the water filter system manage to use only one provided hose to finish the connection. More ergonomic and easier installation but fewer leakage points!
• 【Multiple-Usage】The water purification system can be installed in different places such as the kitchen, office, bathroom, and RV. No drilling hole is needed for an extra faucet. So it is also perfect for a rental apartment. The FK99 water filter can simultaneously serve both your sink and the refrigerator by using the ice maker connection kit IMC-2 (Asin#B07RBMLR26). With dedicated 24/7 customer service, the water purifier is guaranteed for 18 months at maximum. For cold water only.

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• TWO-STAGE COMPOSITE FILTER: 2-in-1 compound filter cartridge with 0.5 micron precision: -Sediment filter cartridge with 5 micron precision reduces particles, such as sand silt, and rust from the water. -Block carbon filter cartridge with 0.5 micron precision reduces 99.99% of Heavy Metals such as LEAD, MERCURY, CADMIUM; CHLORINE, ODOR, PARTICLES and VOCs from water!
• SCALE INHIBITION: Besides its premium removing capability, FZ-3 is capable of inhibiting limescale build-up in a more economic way, and extends the service life of water filter system and water appliances.
• COMPATIBLE REPLACEMENT FILTER for Frizzlife MP99 water filtration system (ASIN B07J9QRVDM) and MK99 water filter system (ASIN B07MFYQBTX). It's the only core filter cartridge you will need to replace for them. Quick Change and NO TOOLS REQUIRED.
• LONG-LASTING SERVICE LIFE: FZ-3 adopts pleated filter cartridge, the lifespan of which is much longer than normal one. Each advanced replacement filter cartridge lasts for 8-12 months or 1,600 gallon of water (also depends on your feed water quality). To get better filtration performance, it is recommended to change filter every 6-8 months.
• 100% SATISFACTION and EASY REPLACEMENT.

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• The Replacement Filter Cartridge kit for MK99, including the inner filter and the outer filter housing.
• Two-Stage Advanced Purify: 2 in 1 Two-Stage compound filter, sediment filter cartridge with 5-micron precision reduces particle material such as sand, silt, and rust from the water. Block carbon filter cartridge with 0.5-micron precision that reduces 99.99% of Lead, Chlorine, Odor, and Particles from the water.
• High Benefits: The Frizzlife M series has unique technology that removes over 99.99% of contaminants while leaving in all essential minerals, which are vital to your health, including calcium, potassium, and magnesium. Enjoy pure and healthy water from the tap.
• It is a Compatible Replacement Filter kit for Frizzlife MP99 water filtration system, MK99 water filter system, MV99 Inline RV filter, and MS99 Inline Water Filter for Refrigerato. However, we would recommend you to purchase the replacement kit with corresponding stickers in consistence with your purchased model to avoid confusion.
• Long Service & High Flow Rate: The quick-change filter replacement could last for 2-3 years at maximum. To get better water, we would recommend you to change it more frequently per 6-12 months. It provides your family with clear, clean, lead-free, odorless water. Enjoy tap water as pure and healthy as spring water.
• 100% Satisfaction: Our 100% money-back guarantee is as clear as our water.

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• [Two-stage Advanced Water Filter With 0.5 Micron]: The Frizzlife MK99 Water Filtration System includes a TWO-STAGE High precise compound filter including a unique technology that reduces contaminants while leaving in all essential minerals. Certified to reduce Lead, Chlorine, Taste & Odor and Particulates. Additional reduction claims verified through manufacturer testing include Mercury, VOCs, Heavy Metals, Carcinogens and other contaminants, such as Turbidity. Enjoy healthy water from the tap.
• [Fits both 1/2" and 3/8" cold water line]: Super Easy Installation. Come with 3/8" Directly Connect hoses that fit standard 3/8" feed water valves under US kitchen sinks. The Inline water filter system also comes with a 3/8" to 1/2" converter fittings that allow the system to directly install to the existing both 1/2" and 3/8" cold water line and faucet under your sink. Took less than 3 minutes and No Plumbing Required! New installation video available.
• [Best Auto Shut Off Design]: Utilizing quick change twist-in installation design makes it take less than 3 minutes for you to install the system or doing a filter replacement. Provides quick twist connection for easy, tool-free, no mess filter replacement. The filter cap is designed with a BUILT-IN shut off valve. You don't even need to shut off the water supply whenever you work on the filter cartridge replacement.
• [High Flow Rate & Multi-Usage]: The MK99 under sink water filter is certified by IAPMO against NSF/AISI 42&53. Enjoy tap water as pure and healthy as spring fresh water. Good for cooking, washing fruits & veggies, and cleaning dishes without watermarks. No more bottled water!
• [Money Saving & Satisfaction]: The under counter water filter system contains a core filter cartridge inside the housing, you will only need to replace the core part of the filter cartridge instead of throwing away the whole plastic part, it will save you much money on replacing the cartridge and will do help on the environmental protection. Each cartridge with high capacity can be used for 2 years, for better filtration, suggest to replace after 6-8 month.

FRIZZLIFE

• Two-Stage Advanced Purify: 2 in 1 TWO-STAGE compoud filter, sediment filter cartridge with 5 micron precision reduces particle material such as sand, silt and rust from the water. Block carbon filter cartridge with 0.5 micron precision that reduces Lead, Chlorine, Odor and Particles from the water.
• High Benefits: The Frizzlife MP99, MK99, MV99, MS99 has unique technology that reduces of contaminants while leaving in all essential minerals, which are vital to your health, including calcium, potassium, and magnesium. Enjoy pure and healthy water from the tap.
• Compatible Replacement Filter for Frizzlife MP99 water filtration system(ASIN B07J9QRVDM), MK99 water filter system(ASIN B07MFYQBTX), MV99 Inline RV filter(ASIN B08PCJNPHR) and MS99 Inline Water Filter for Refrigerator(ASIN B08NY78DC3). It's the only core filter cartridge you will need to replace for them.
• Long Service & High Flow Rate: Quick change filter replacement that lasts 1 years or 1,600 gallon of water, provide your family a clear, clean, lead free, odorless water. Enjoy tap water as pure and healthy as spring water.
• 100% Satisfaction: Our 100% money-back guarantee is as clear as our water.

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