Quick Take
Score: 7.8/10 | If you own a PUR faucet filter, the RF9999 is the replacement you need. NSF 42/53 certification, 100-gallon capacity, and MineralClear technology deliver solid performance for convenient on-demand filtered water.
Safety Analysis (40% weight) - Score: 7.8/10
NSF 42 and 53 Certified
Standard certifications for chlorine taste/odor and lead removal. Removes 99% of lead.
70+ Contaminants
More contaminants than basic Brita but fewer than premium pitchers. Covers lead, mercury, pesticides, and pharmaceuticals.
MineralClear Technology
Retains calcium, magnesium, and other beneficial minerals while removing contaminants. Unlike RO, you keep the good stuff.
No PFAS Certification
PUR faucet filters do NOT hold NSF P473 certification. For PFAS concerns, consider Clearly Filtered pitcher.
Efficacy Analysis (35% weight) - Score: 7.5/10
100-Gallon Capacity
Each filter handles 100 gallons - approximately 2-3 months for typical households.
Instant Filtered Water
Faucet-mounted convenience means no waiting for pitchers to fill.
Easy Installation
Twist-and-lock replacement takes 30 seconds. No tools required.
Value Analysis (15% weight) - Score: 8.5/10
3-Pack Price: $29.99
Approximately $10 per filter. Annual cost $40-60 depending on usage.
Cost Per Gallon: $0.10
Competitive with pitcher filters at better convenience.
Wide Availability
Available at Target, Walmart, Amazon, and grocery stores. Never hard to find.
The Bottom Line
The PUR RF9999 is the essential replacement for PUR faucet filter owners, delivering NSF 42/53 certified convenience at a reasonable price. Stock up when on sale.






