
Brondell RF-20
Score: 78/100
Aqua Crest 3US-PF01
Score: 68/100Rankings

The Brondell RF-20 is a three-stage sediment and carbon block filter replacement pack designed exclusively for the Brondell Circle RO system. It offers comprehensive contaminant reduction with multiple NSF certifications but requires frequent bi-annual replacements. It is best suited for households with existing Brondell Circle systems needing regular maintenance.

The AQUACREST 3US-PF01 is a high-capacity replacement filter designed for Filtrete systems, offering tool-free installation and broad international safety certifications. It excels in chlorine and sediment reduction but lacks specific data on lead reduction or expert validation. It is best suited for users with compatible Filtrete systems seeking a reliable, high-capacity replacement.
| Attribute | ![]() | ![]() |
|---|---|---|
6 monthsbest | 6 monthsbest | |
3best | — | |
— | 2,000 gallonsbest | |
| ↓ lower better | 11.25 inches | 10.4 inchesbest |
| ↓ lower better | 8.25 inches | 3.2 inchesbest |
| ↓ lower better | 2.75 inchesbest | 3.2 inches |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Dimensions & Fit(3) | ||
Height (inches) | 11.25 inches | 10.4 inches |
Width (inches) | 8.25 inches | 3.2 inches |
Depth (inches) | 2.75 inches | 3.2 inches |
Performance & Filtration(3) | ||
Certifications | NSF/ANSI 42, 53, 58, 372; WQA Gold Seal | NSF/ANSI 42, WQA NSF 372, LFGB, DM/4B/COM/003, BS EN 12915-1:2003 |
Contaminants Removed | 64 | Chlorine, Sediment, Rust, Sand, Heavy Metals |
Filtration Technology | Sediment and Carbon Block | Carbon Block |
Installation & Compatibility(1) | ||
Installation Type | Twist-and-seal | Under Sink |


Professional reviewers characterize the RF-20 as a solid mid-tier water filtration solution, highlighting the value of its multi-standard certifications and effectiveness of its three-stage architecture.
Everyday users express strong satisfaction with water quality improvements and ease of installation, though some complain about the cumulative cost of replacements.



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