iSpring US21B Under Sink Water Filter System,15GPM Fast Flow, Stainless Steel Hoses and 80K Super Capacity 10” x 4.5” Cartridges, Removes Chlorine, Iron, Lead, Odor and More

• [High Capacity Filters] US21B is a 2-stage under sink water filtration system.1st stage KDF plus GAC carbon filter(FG15B-KS) and 2nd stage CTO(FC15B) carbon block filter, effectively removing up to 99% of contaminants, including chlorine, lead, iron, mercury, and many other heavy metals. They also tackle problems like turbidity, cloudiness, colors, bad taste, and odors(e.g. hydrogen sulfide that smells like rotten eggs).
• [Great Water Flow] Thanks to the system’s connection design and its 1” inlet and outlet ports, you will experience less waiting time when filling up your glasses, pitcher, coffee pot, or cooking pots as the peak water flow rate is up to 15 GPM. Based on the contaminant levels in source water and your water use, we suggest that you change your filters every 6-12 months for best filtration performance.
• [High Quality] Made of high quality material for all components and equipped with premium 10” x 4.5” filters, iSpring US21B is your best under sink water filter for safe, clean, and healthy water for drinking and cooking right from your tap. This heavy duty under sink water filter system is designed to provide you and your loved ones with a continuous on-demand supply of refreshing filtered water whenever your kitchen faucet is on. No waste water. NO TANK taking up your under sink space.
• [Super Easy DIY Installation] Comes with two upgraded 48-inch DIRECT CONNECT hoses that connect the system to the existing under sink incoming water supply and the cold water line of your kitchen faucet. Unlike reverse osmosis systems or other water filter under sink, you don’t need to spend time drilling a hole on your countertop for a RO faucet. No extension hoses needed to achieve optimal convenience. Tool free. No mess. System installation and filter cartridge replacement are a breeze!
• [Peace-of-Mind Support] We offer tech and CS support via phone and email from Atlanta, GA. Contact our responsive and professional team for product selection to suit your water filtration needs and after-sale support to maximize your user experience. Now, and years to come, we will be right here and ready to help. Please be noted that this under counter water filter system is NOT designed to reduce Total Dissolved Solids(TDS) removal and instead keeps essential minerals in your water.

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

• Question : How often should I change the filters?
  Answer : We suggest changing filters every 6-12 months for best filtration performance.
• Question : Does it reduce Total Dissolved Solids (TDS)?
  Answer : No, this system is not designed to reduce TDS and instead keeps essential minerals in your water.
• Question : Is the system difficult to install?
  Answer : No, it is super easy to install with no drilling or messy process required.
• Question : Can this filter be used with well water?
  Answer : Yes, but the performance will depend on your well water quality. Please reach out to our customer service team with your water quality analysis so we can check if this system is sufficient enough to solve your water problems. We can also suggest the best setup for your needs.
• Question : What iSpring filters would remove uranium?
  Answer : Our best choice for uranium is an RO system. Our RO system models like the RCC7, RCC7AK, or if you have low incoming pressure, you can install an RCC7P-AK that comes with a booster pump.
• Question : How to know when to replace filter if recommend 6-12 months is a vague timeline?
  Answer : Ideally, we should replace the filters when there's a significant pressure drop, indicating that the filters are already clogged. Since water quality varies in every location, we expect this to happen within 6-12 months.
• Question : Can this be connected to a dedicated faucet for filtered water?
  Answer : Yes, it comes with two 24-inch DIRECT CONNECT hoses that connect the system to the existing under sink incoming water supply and the cold water line of your kitchen faucet. No need to drill a hole on your countertop for a RO faucet. Tool-free installation and filter cartridge replacement.
• Question : Can it be used on well water that had been filtered with the iSpring 3-stage whole house iron and manganese reducing water filtration system?
  Answer : Yes, it can.
• Question : Will this system bring the TDS down to a lower level? I'm looking for a reverse osmosis to connect to my deionized for car washing with a pressure wash.
  Answer : No, this is not a reverse osmosis system so the TDS will remain the same.
• Question : Is there a list of what this actually filters out of the water? I would like to compare the list to what is in my city water.
  Answer : FG15B-KS remove chlorine, lead, iron, mercury, hydrogen sulfide, THMs, chloride, chloramines, herbicides, nitrate, odors, and other contaminants. Using high quality coconut shell carbon and highly compact fabrication tech, 2nd stage CTO filter FC15B knocks out cloudiness as well as bad tastes and odors, removes up to 99% of chlorine, and is highly effective on Organic Compounds like herbicides and industrial solvents and other contaminants like trihalomethanes.
• Question : Can this be mounted flat (on its back) on the bottom of the cabinet instead of vertically on the side wall?
  Answer : We do not recommend mounting this in any orientation other than vertical as it will put unnecessary stress on the housings.