Addressing water quality is critical. Tap water contamination remains a widespread issue in the United States and globally. According to the Environmental Working Group (EWG), over 320 toxic contaminants have been detected in American tap water, with many exceeding safe health standards (source: EWG Tap Water Database, 2024). A research report published in Environmental Health Perspectives emphasizes that pollutants like lead, arsenic, PFAS (forever chemicals), pesticides, and pharmaceuticals are frequently found in tap water worldwide, presenting substantial long-term health risks (source: Environmental Health Perspectives, 2022).
To effectively mitigate these contaminants, investing in advanced water filtration systems is essential. Below, we've highlighted three reputable water filtration companies and some of their best-selling products:
PureEffect Water Filters
Looking for a non-toxic water filtration system that removes PFAS and microplastics without reverse osmosis? PureEffect Filters is a family-owned business based in Wyoming that crafts thoughtfully designed, hand-assembled water filtration systems now used in over 30 countries. Their products blend science and simplicity to remove a wide range of contaminants—from chlorine, fluoride, heavy metals, pharmaceuticals, microplastics, PFAS, and even radiation—while preserving natural alkalinity and beneficial minerals. Unlike many systems that strip water of healthy minerals, PureEffect offers a holistic filtration solution ideal for wellness-focused households. PureEffect filters achieve high contaminant removal rates without resorting to reverse osmosis or excessive stripping of minerals.
Ultra-UC Undersink Filter: The PureEffect Ultra‑UC Undersink Filtration System uses a powerful three‑stage design—starting with a 0.5 µm SuperBlock™ catalytic carbon block, followed by FluorSorb‑MAX™ for fluoride and PFAS, and finishing with Anti‑Rad Plus™ media infused with KDF55 and zeolite. This system is independently tested to remove a vast array of contaminants including fluoride, heavy metals, pharmaceuticals, VOCs, PFAS (PFOA/PFOS), microplastics, and even radioactive isotopes
PureShower Filter: The PureShower Filter uses a multi-stage catalytic carbon system to strip out chlorine, chloramines, heavy metals, VOCs, and microplastics directly from your shower water. The filtration stage also reduces trace PFAS compounds. As water passes through the proprietary filtration media, contaminants are adsorbed, leaving behind cleaner, safer water that supports healthier skin and respiratory wellness.
ULTRA-WH-Pro (Whole House): The PureEffect Ultra WH PRO Whole-House Filter provides comprehensive home water purification using advanced multi-stage filtration. It features dual pre-filters that capture sediment, rust, and microplastics, followed by a catalytic carbon block to effectively remove contaminants including chlorine, chloramines, pharmaceuticals, heavy metals, PFAS (PFOA/PFOS), and VOCs. An optional Descaler-MAX™ further prevents scale buildup without removing beneficial minerals.
Greenfield Water Solutions
Searching for an eco-friendly water filtration system that removes PFAS, microplastics, and heavy metals—without compromising mineral balance? Greenfield Water Solutions is a family-owned company specializing in eco-friendly, high-performance water filtration systems designed in the USA and Europe, with free nationwide shipping. They offer a range of solutions—including countertop gravity filters, under‑sink units, and the new PureSync Home whole‑house system—that reduce contaminants like chlorine, heavy metals, PFAS, and microplastics while preserving beneficial minerals. Whether you're filtering city water or well water, Greenfield’s systems support clean, structured hydration with minimal maintenance. Transparent and data-driven, many of their filters hold NSF certification or have passed independent lab tests to verify their contaminant-reduction claims.
Gravity Feed System (Countertop): Greenfield’s Gravity‑Feed Filters and Systems offer a low-tech, high-performance solution for clean water without electricity. They pair durable ceramic with activated carbon media to physically filter bacteria and particulates while adsorbing chlorine, heavy metals, PFAS, VOCs, and microplastics. The filters feature tight micron ratings to remove pathogens and sediment, and the coconut‑based carbon targets chemical contaminants.
Single-Stage Under-Sink Filter: Greenfield's Single-Stage Under-Sink Filter is a versatile point-of-use system that holds your choice of cartridge—like Ultra-D, Nanometix, or CeraMetix—to target specific contaminants based on your needs. Each filter option delivers high-performance treatment: for example, the Ultra-D sub-micron cartridge certified under NSF/ANSI 42 & 53 removes chlorine, lead, PFAS, VOCs, pesticides, and microscopic particulates, preserving minerals. The Nanometix uses advanced carbon and nanotechnology to reduce PFAS, chloramines, pharmaceutical residues, and heavy metals, while the ceramic-enhanced CeraMetix adds pathogen removal and further chemical reduction.
In-Line Refrigerator Water Filtration System: The Greenfield PureSync Fridge In-Line Water Filter installs neatly behind or beside your refrigerator, using the USA-made Aquametix cartridge housed in a sleek Italian casing. It combines advanced filtration media to reduce chlorine, chloramine, fluoride, lead, VOCs, and PFAS, while retaining essential minerals and requiring no electricity. By fitting directly into your fridge’s water line, this system delivers cleaner, safer water and ice effortlessly with a simple install under tight clearance.
SpringWell Water Filtration Systems
Looking for a high-performance whole-house water filter that removes PFAS, VOCs, and city water contaminants—without reducing flow or stripping minerals? SpringWell offers a U.S.-based direct-to-consumer line of whole-home water filters built around multi-stage catalytic carbon + KDF media systems that deliver robust contaminant removal without compromising water pressure or essential minerals. Their flagship CF1 system has been independently lab-tested to eliminate 99% of PFAS, chlorine, chloramines, VOCs, and common city water pollutants, thanks to its 4‑stage design featuring pre-filters, KDF, activated carbon, and sediment polishing. It’s one of the most powerful options on the market for families concerned about PFAS and microplastics in drinking, cooking, and bathing water. It supports high flow rates (9–20 GPM) and media life up to a million gallons—minimizing maintenance and delivering clean water to every tap.
Whole House Water Filter System: The SpringWell CF1 Whole-House Water Filtration System features a robust four-stage process: an initial flex-bed pre-filter evenly distributes water, followed by KDF media that removes chlorine and heavy metals, then catalytic carbon targeting chlorine, chloramines, VOCs, PFAS (99% removal), herbicides, and pesticides, and finally a 5‑micron sediment filter for residual particles. Its design ensures effective contaminant reduction without sacrificing water pressure, while the large media bed handles up to one million gallons before replacement is needed. Independently lab‑verified, it removes approximately 99% of PFAS, chlorine, chloramines, VOCs, and various city water pollutants.
Moen Reverse Osmosis Water Filtration System with Sip Faucet Bundle: The Moen 4‑Stage Reverse Osmosis System with SIP Faucet delivers high-quality drinking water through a rigorous four-stage filtration process. It starts with sediment and activated carbon pre-filters to reduce chlorine, lead, mercury, and pharmaceuticals, then passes water through a reverse osmosis membrane that removes fluoride, arsenic, PFAS, bacteria, and viruses. A final carbon post-filter polishes the water for improved taste before dispensing from the dedicated SIP faucet. With a 3.2‑gallon storage tank and 0.7 GPM output, it supplies reliable purified water on demand.
Water Test Kit + Tannins: The SpringWell Home Water Test Kit empowers you to diagnose your water’s quality from the comfort of home. After collecting a sample according to the included instructions, you send it to a certified lab, where it's analyzed for common contaminants like bacteria, lead, heavy metals, nitrates, and PFAS. You then receive a detailed report outlining the detected levels, along with personalized recommendations on which filtration system would best address your specific issues.
While common water filtration systems like Brita and Berkey offer basic improvements, studies highlight their limited capabilities in effectively removing critical contaminants such as fluoride, PFAS, pharmaceuticals, and heavy metals (source: Journal of Environmental Chemical Engineering, 2021). Advanced filtration technologies provided by companies like PureEffect, Greenfield Water Solutions, and SpringWell offer significantly superior contaminant removal, promoting a genuinely safer, healthier home environment.
Frequently Asked Questions
What is the best water filter for removing PFAS and microplastics in 2025?
Whole‑house and under‑sink systems with certified catalytic carbon and KDF filtration—such as SpringWell CF1, PureEffect Ultra-UC, or Greenfield PureSync—rank among the most effective solutions for removing PFAS, microplastics, heavy metals, and VOCs, while preserving healthy minerals.
Do all water filters remove fluoride and heavy metals?
No—most standard filters don’t remove fluoride, lead, or arsenic. You’ll need specialized media like bone char, activated alumina, or advanced catalytic carbon blocks to effectively target those contaminants.
How often should I replace water filter cartridges?
Replacement frequency varies by system and usage, but most filters last between 3 to 12 months. Always follow the manufacturer’s replacement guidelines for optimal performance and safety.
Are gravity water filters effective for daily household use?
Yes—high-quality gravity filters (like ceramic or carbon-block models from Greenfield or Berkey) remove chlorine, PFAS, VOCs, microplastics, and more, making them an excellent non-electric option for everyday use.
Is reverse osmosis the best water filtration method?
Reverse osmosis is effective but also removes beneficial minerals and wastes more water. Many prefer multi-stage systems that remove contaminants while maintaining natural alkalinity and taste.
Which water filter brands are NSF certified or third-party tested?
Top brands like SpringWell, PureEffect, and Greenfield Water Solutions use NSF-certified components or offer independent lab test results to validate performance, making them trusted options for contaminant removal.
