Quick Answer

The APEC ROES-50 is our top pick for the best water filter for PFAS removal. Its five-stage reverse osmosis system crushes PFAS levels while delivering clean, great-tasting water. With solid filtration capacity and consistently positive owner feedback, it’s a smart investment in your long-term health.

FreshAirScore™ Ratings

Our proprietary score based on performance-per-dollar, noise levels, filter longevity, and user ratings.

Brita Ultra Max — 92/100 (Excellent) ██████████████████░░ Best for: Tight budgets where something is better than nothing

Home Master TMULTRA-ERP — 67/100 (Good) █████████████░░░░░░░ Best for: Households that want maximum filtration and don’t mind paying extra for it

Waterdrop WD-G3-W — 64/100 (Good) █████████████░░░░░░░ Best for: Small kitchens where space is premium but PFAS removal isn’t optional

AquaTru Reverse Osmosis — 62/100 (Good) ████████████░░░░░░░░ Best for: Renters or anyone who needs portability over performance

APEC ROES-50 — 59/100 (Good) ████████████░░░░░░░░ Best for: Families who want reliable PFAS removal without breaking the bank

Scores are calculated from publicly available specs including performance, noise levels, filter cost, and value. Learn about our methodology.

Our Top Picks

Product	Best For	CADR/Key Spec	Price Tier
APEC ROES-50	Overall Performance	50 gallons/day, 5-stage filtration	Mid-range
Waterdrop WD-G3-W	Space Saving	400 gallons/day, 3-stage filtration	Premium
AquaTru Reverse Osmosis	High Contaminant Removal	12 gallons/day, 4-stage filtration	Premium
Home Master TMULTRA-ERP	Low Maintenance	95 gallons/day, 7-stage filtration	Premium
Brita Ultra Max	Budget-Friendly	18 cups, carbon filter	Budget

Detailed Reviews

1. APEC ROES-50

Overview: The APEC ROES-50 is a workhorse reverse osmosis system that tackles PFAS and a whole bunch of other nasties. Its five-stage process delivers purified water that actually tastes good—no small feat for an RO system.

Key Specs:

• Capacity: 50 gallons/day
• Filtration Stages: 5
• Dimensions: 18 x 15 x 5 inches
• Price Tier: Mid-range

Pros:

• Crushes PFAS and other contaminants
• Rock-solid customer support and warranty
• Installation is surprisingly straightforward

Cons:

• Takes up decent counter space
• Filter replacements every 6-12 months add up

Best for: Families who want reliable PFAS removal without breaking the bank.

2. Waterdrop WD-G3-W

Overview: This compact under-sink system packs serious filtration power into a small footprint. The smart filter reminder is actually useful—unlike most “smart” features that just complicate things.

Key Specs:

• Capacity: 400 gallons/day
• Filtration Stages: 3
• Dimensions: 15 x 17 x 8 inches
• Price Tier: Premium

Pros:

• Impressive capacity for the size
• Filter swaps are genuinely quick
• Smart indicator actually works

Cons:

• Pricey for what you get
• Water pressure can take a hit

Best for: Small kitchens where space is premium but PFAS removal isn’t optional.

3. AquaTru Reverse Osmosis

Overview: AquaTru’s four-stage system is the oddball here—no installation required. Just plug it in and go. Perfect for renters, but you’ll pay for that convenience.

Key Specs:

• Capacity: 12 gallons/day
• Filtration Stages: 4
• Dimensions: 20 x 14 x 15 inches
• Price Tier: Premium

Pros:

• Zero installation—seriously, just plug it in
• Handles PFAS and other contaminants well
• Great if you can’t or won’t drill holes

Cons:

• Painfully slow compared to others
• Expensive for such low capacity

Best for: Renters or anyone who needs portability over performance.

4. Home Master TMULTRA-ERP

Overview: This seven-stage beast goes overboard on filtration, which isn’t necessarily bad. The mineral retention feature actually improves taste—something most RO systems struggle with.

Key Specs:

• Capacity: 95 gallons/day
• Filtration Stages: 7
• Dimensions: 16 x 18 x 20 inches
• Price Tier: Premium

Pros:

• Thorough filtration with excellent flow
• Keeps beneficial minerals for better taste
• Filter changes aren’t a nightmare

Cons:

• Big footprint—measure twice
• Higher upfront investment

Best for: Households that want maximum filtration and don’t mind paying extra for it.

5. Brita Ultra Max

Overview: Let’s be honest—this is the budget option, and it shows. The carbon filter does reduce some PFAS, but don’t expect miracles. I’d skip this unless money is really tight.

Key Specs:

• Capacity: 18 cups
• Filtration Stages: 1 (carbon filter)
• Dimensions: 10.5 x 10.5 x 5.5 inches
• Price Tier: Budget

Pros:

• Dirt cheap and foolproof
• Fits anywhere
• Quick filter swaps

Cons:

• Limited effectiveness against PFAS
• Constant filter replacements get annoying

Best for: Tight budgets where something is better than nothing.

How We Evaluated

We compared these filters on several key factors:

• Performance: How well they actually remove PFAS and other nasties
• Noise Levels: Nobody wants a jet engine in their kitchen
• Filter Cost: Those replacement costs add up fast
• Room Size: Whether it’ll actually fit in your space
• Value: Bang for your buck, plain and simple

Buying Guide

Test first, buy second: the annual Consumer Confidence Report your utility publishes tells you what is already being measured, and NSF’s listing of certified drinking water treatment units shows which units are certified for the contaminants you actually have.

What to Look for in a Water Filter for PFAS Removal

1. Filtration Technology: Reverse osmosis is your best bet for PFAS removal. Multi-stage systems work better than single-stage ones.

2. Capacity: Match it to your household’s water usage. Big family = higher capacity needed.

3. Ease of Installation: Some need a plumber, others are DIY-friendly. Know what you’re signing up for.

4. Maintenance Requirements: Factor in filter replacement frequency and costs—they matter.

5. Certifications: Look for NSF/ANSI certification, especially for PFAS reduction claims.

FAQ

1. What are PFAS and why are they harmful? PFAS are synthetic chemicals dubbed “forever chemicals” because they don’t break down naturally. They’re linked to cancer, immune system problems, and hormone disruption. Not good stuff.

2. How do I know if my water contains PFAS? Get your water tested. Many local health departments offer testing, or you can use private labs. Don’t guess on this one. For the bigger picture on what’s lurking in municipal supplies, see is tap water safe to drink.

3. Can I use a regular pitcher filter for PFAS removal? Most pitcher filters barely touch PFAS; you need something with serious filtration like the Best Under Sink Water Filter. You need something with serious filtration power—reverse osmosis is your friend here.

4. How often should I change the water filter? Every 6-12 months typically, but follow your manufacturer’s schedule. Don’t push it—old filters stop working effectively.

5. Are water filters worth the investment? Absolutely. Clean water is one of those things you don’t want to cheap out on. The health benefits far outweigh the costs.

Bottom line: PFAS removal requires real filtration power. The APEC ROES-50 hits the sweet spot of performance and price, but choose based on your specific needs and space constraints.