PUR PFM400H vs ZeroWater ZD-018
Side-by-side comparison of features, pricing, ratings, and alternatives.
The PUR PFM400H is a sleek, faucet-mounted water filtration system that reduces lead, chlorine, and other contaminants, delivering fresh-tasting water straight from your tap. Its easy-install design fits most standard kitchen faucets and requires no tools, making it a convenient solution for households seeking healthier drinking water. With a replaceable filter cartridge lasting up to 100 gallons, the PFM400H offers low-maintenance performance and a clear indicator that alerts you when it’s time for a replacement. Its compact profile saves counter space while providing a reliable, cost-effective alternative to bottled water.
The ZeroWater ZD-018 is a 10‑cup (2.4 L) pitcher that uses a patented 5‑stage ion‑exchange filter to remove 99.9% of total dissolved solids, delivering water that tastes like it came straight from the source. Its sleek, BPA‑free design fits comfortably on most refrigerator doors and includes a built‑in TDS meter so you can verify water purity with a quick dip. Unlike standard carbon filters, the ZD‑018’s multi‑stage system eliminates minerals, heavy metals, and chlorine without adding any chemicals, making it ideal for coffee, tea, and infant formula. The pitcher’s ergonomic handle and easy‑to‑fill lid make daily use simple, while the filter replacement indicator helps you maintain optimal performance.
- Effective lead and chlorine reduction
- Simple, tool‑free installation
- Filter life indicator for convenience
- Compact footprint saves counter space
- Removes virtually all dissolved solids
- Built‑in TDS meter provides real‑time purity feedback
- Large 10‑cup capacity reduces refill frequency
- BPA‑free and dishwasher safe
- Filter cartridges need periodic replacement
- Limited to standard faucet sizes
- No smart/ app connectivity
- Initial cost higher than basic pitchers
- Filter replacements can be pricey
- No smart or app connectivity
- TDS meter requires manual dipping each test
More alternatives & similar tools
Alternatives to PUR PFM400H
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Whole‑house filtration that removes chlorine, lead, and PFOA/PFOS for cleaner water everywhere
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Alternatives to ZeroWater ZD-018
View all →Whole‑house filtration that removes chlorine, lead, and PFOA/PFOS for cleaner water everywhere
Long-lasting filter that reduces lead and chlorine for great-tasting water
Compact under‑sink water filter delivering great‑tasting, contaminant‑free water
The Verdict
AI-generated from listing dataThe ZeroWater ZD-018 pitcher offers broader contaminant removal (99.9% TDS) at a lower upfront price, while the PUR PFM400H faucet filter focuses on lead/chlorine reduction with a space‑saving install.
Key differences
- •Contaminant scope: pitcher removes virtually all dissolved solids; faucet targets lead and chlorine.
- •Installation: pitcher is plug‑and‑play; faucet mounts directly to a standard 3/8" faucet without tools.
- •Capacity & refill frequency: 10‑cup pitcher vs. on‑demand faucet flow (no stored water).
- •Maintenance: pitcher uses replaceable ZD‑018 filters (price not listed); faucet uses cartridges lasting ~100 gal.
Capacity
ZeroWater holds 2.4 L (10 cups) whereas the faucet filter provides water on demand with no stored volume.
Running cost
Faucet cartridges last ~100 gal, likely fewer replacements per month than pitcher filters for similar usage.
Size & footprint
PUR mounts on the faucet (9.5 × 3.5 × 3.5 cm) saving countertop space; pitcher occupies refrigerator shelf space.
Features
ZeroWater includes a built‑in digital TDS meter and filter‑life indicator; faucet has only a life indicator.
Ease of cleaning / maintenance
Pitcher is dishwasher‑safe and has an ergonomic handle; faucet requires twist‑out cartridge replacement.
Price
ZeroWater MSRP $39.99 vs. PUR $49.99.
Warranty
Both offer a 1‑year limited warranty.
Choose PUR PFM400H if…
Households with standard faucets seeking lead/chlorine reduction and minimal countertop clutter.
Choose ZeroWater ZD-018 if…
Families or offices wanting bulk filtered water and full TDS removal.
Common questions
Which product removes more types of contaminants?
ZeroWater removes 99.9% of total dissolved solids; PUR removes up to 99% of lead and chlorine.
How is each filter replaced?
ZeroWater uses ZD‑018 replacement filters (manual swap); PUR uses twist‑out cartridges lasting ~100 gal.
Will either product fit my kitchen if I have limited counter space?
PUR mounts on a standard 3/8" faucet and takes up no counter space; ZeroWater sits on a refrigerator shelf.