Water Filters
Water Filters: Top Picks for Clean Water
7 picks compared
6 min read
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The short answerThe best water filters include the Brita Longlast, PUR Advanced Faucet Filter, and ZeroWater 10-Cup Pitcher. Each excels in different areas: Brita for ease, PUR for contaminant reduction, and ZeroWater for TDS removal.
?How we pickedWe compare published specifications, safety certifications and thousands of verified owner reviews, and we do not physically test every unit. Read the full process in our review methodology.
Brita Longlast Water Filter Pitcher
★★★★★ 4.7 / 5 Best Overall
The Brita Longlast pitcher holds 10 cups and reduces chlorine taste and odor. Its filter lasts six months or 120 gallons, cutting replacement costs. The lid flips for easy filling, and the spout is covered to keep dust out.
Capacity 10 cupsFilter Life 6 months / 120 gallonsReduces Chlorine, taste, odorDimensions 10.5 x 6.5 x 10.5 inches
- Long-lasting filter reduces waste
- Easy to fill and pour
- Dishwasher-safe top rack
- Filter replacement can be pricey
- Not NSF certified for lead
PUR Advanced Faucet Water Filter
★★★★★ 4.6 / 5 Best Value
PUR's faucet mount filter attaches directly to your tap, giving filtered water on demand. It reduces 70+ contaminants, including lead and mercury. The filter lasts 100 gallons or about three months, and the indicator light reminds you when to change it.
Filtration 70+ contaminantsFilter Life 100 gallons / 3 monthsCertification NSF/ANSI 42, 53Installation No tools required
- Space-saving design
- Switch between filtered and unfiltered
- Certified to reduce lead
- May not fit all faucet types
- Flow rate slower than unfiltered
ZeroWater 10-Cup Water Filter Pitcher
★★★★★ 4.5 / 5 Best for TDS Removal
ZeroWater uses a five-stage filter to remove dissolved solids, achieving TDS readings of zero. The pitcher includes a meter to test water purity. It holds 10 cups and is ideal for areas with hard water or high mineral content.
Capacity 10 cupsFiltration 5-stage, removes TDSIncludes TDS meterFilter Life Varies by water quality
- Removes nearly all impurities
- TDS meter included
- Improves taste significantly
- Filter replacement frequent for hard water
- Slower filtration rate
Best for: Best for TDS Removal
Brita Basic Water Filter Pitcher
★★★★★ 4.6 / 5 Best Budget
The Brita Basic pitcher offers essential filtration at a low price. It holds 5 cups, making it compact for small kitchens or fridges. The filter reduces chlorine taste and odor, and the indicator shows when to replace it.
Capacity 5 cupsFilter Life 40 gallons / 2 monthsReduces Chlorine, taste, odorDimensions 8.5 x 5.5 x 8.5 inches
- Very affordable
- Fits in fridge door
- Simple to use
- Small capacity
- Frequent filter changes
APEC Water Systems ROES-50 Reverse Osmosis System
★★★★★ 4.7 / 5 Best Under-Sink
APEC's RO system installs under the sink and delivers high-quality drinking water. It features five-stage filtration, including a reverse osmosis membrane that removes up to 99% of contaminants. The system includes a separate faucet and storage tank.
Filtration 5-stage ROContaminant Removal Up to 99%Storage Tank 3.2 gallonsInstallation Under-sink, DIY possible
- Superior contaminant reduction
- Long-term cost-effective
- Improves water taste and clarity
- Requires installation effort
- Initial cost higher than pitchers
Best for: Best Under-Sink
Waterdrop 10UA Under Sink Water Filter
★★★★★ 4.6 / 5 Best for Easy Installation
The Waterdrop 10UA connects directly to your existing faucet with no drilling. It reduces chlorine, heavy metals, and sediment. The filter lasts 6 months or 12,000 gallons, and the compact design fits most under-sink spaces.
Filtration Reduces chlorine, heavy metalsFilter Life 6 months / 12,000 gallonsInstallation No tools, quick connectCertification NSF/ANSI 42
- Easy DIY installation
- Long filter life
- Doesn't take much space
- Doesn't remove dissolved solids
- May require adapter for some faucets
Best for: Best for Easy Installation
LifeStraw Home Water Filter Pitcher
★★★★★ 4.5 / 5 Best for Travel and Emergencies
The LifeStraw pitcher uses a hollow fiber membrane to remove bacteria, parasites, and microplastics. It's ideal for camping or emergency use. The filter lasts 264 gallons, and the pitcher is BPA-free.
Filtration Removes bacteria, parasites, microplasticsFilter Life 264 gallonsCapacity 9 cupsCertification NSF/ANSI 42, 53, P231
- Removes microbiological contaminants
- Long filter life
- Portable and durable
- Slow filtration rate
- Not for reducing TDS or heavy metals
Best for: Best for Travel and Emergencies
Our picks balance performance, ease of use, and value. We focused on real data from listings and user reviews.
How to Choose a Water Filter
Start by testing your water to know what contaminants are present. Municipal water often needs chlorine reduction, while well water may require sediment or bacteria removal. Consider the filter type: pitchers, faucet mounts, under-sink, or reverse osmosis. Each has different installation and maintenance needs. Check the filter's certification to ensure it meets your needs.
Pitcher vs. Faucet Mount vs. Under-Sink
Pitchers are portable and require no installation, but they have limited capacity. Faucet mounts attach directly to the tap and provide on-demand filtration, but they may slow flow. Under-sink systems offer higher capacity and better filtration, but they need installation space. Reverse osmosis systems provide the most thorough filtration but are more expensive and produce wastewater.
Understanding Filter Certifications
Look for NSF/ANSI certifications to verify performance. Standard 42 covers aesthetic effects like taste and odor. Standard 53 addresses health contaminants like lead and cysts. Standard 58 applies to reverse osmosis systems. A filter with multiple certifications offers broader protection. Always check the specific contaminant reduction claims.
Maintenance and Replacement Costs
Filters need regular replacement to stay effective. Pitcher filters typically last 1 to 6 months, while under-sink systems can last 6 to 12 months. Calculate the cost per gallon to compare long-term expenses. Some filters have indicators to remind you when to change. Neglecting replacements can lead to bacterial growth and reduced performance.
Questions people ask
What is the best water filter for home use?
The best water filter depends on your water quality and needs. For general use, the Brita Longlast is popular for its ease and long filter life. If you want more contaminant removal, consider an under-sink RO system like the APEC ROES-50.
How often should I replace my water filter?
Replacement frequency varies by filter type and usage. Pitcher filters often last 1 to 6 months, faucet mounts about 3 months, and under-sink systems 6 to 12 months. Check the manufacturer's guidelines and your water usage.
Can a water filter remove lead?
Some filters are certified to reduce lead, such as PUR faucet mounts and certain under-sink models. Look for NSF/ANSI 53 certification for lead reduction. Pitchers like Brita do not typically remove lead.
What is the difference between a water filter and a water purifier?
Water filters physically remove contaminants like sediment, chlorine, and some chemicals. Purifiers, such as reverse osmosis or UV systems, remove a wider range including microorganisms and dissolved solids. The choice depends on your water source.
Are expensive water filters worth it?
Expensive filters often provide better contaminant removal and longer filter life, which can lower long-term costs. For example, reverse osmosis systems cost more upfront but remove more impurities. Assess your water quality and budget to decide.
Which water filter is best for well water?
Well water may contain sediment, bacteria, and heavy metals. A reverse osmosis system with sediment pre-filters, like the APEC ROES-50, is effective. You may also need a UV purifier for bacteria. Test your water first.
How do I install an under-sink water filter?
Most under-sink filters come with instructions. You'll need to connect the filter to your cold water line and possibly install a separate faucet. Some models, like the Waterdrop 10UA, require no tools and connect directly to your existing faucet.
Can I use a water filter for camping?
Yes, portable filters like the LifeStraw Home Pitcher are designed for travel. They remove bacteria and parasites, making water safe to drink from streams or taps. They are lightweight and easy to carry.
What is TDS and why does it matter?
TDS stands for Total Dissolved Solids, which includes minerals and salts. High TDS can affect taste and may indicate contamination. ZeroWater filters remove TDS to zero, but some minerals are beneficial. Consider your health needs.
Do water filters remove fluoride?
Not all filters remove fluoride. Reverse osmosis systems and some specialized filters can reduce fluoride. Check the product specifications for NSF/ANSI 58 certification, which covers fluoride reduction.
The bottom lineSo which one?
For most households, the Brita Longlast offers the best balance of convenience and value. If you need maximum contaminant removal, the APEC ROES-50 is a solid investment. Budget-conscious buyers can start with the Brita Basic.
