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Big Berkey vs RCC7AK
Berkey's $367 model meets iSpring's $209 model. We tally wins category by category, then call a verdict.
Our recommendation
The Big Berkey wins on more spec categories (3–0), but the RCC7AK undercuts it by $158. Choose the Big Berkey for performance, the RCC7AK to save.
Big Berkey: 3 category wins RCC7AK: 0 category wins
Side by side
Big Berkey
$367
RCC7AK
$209
Filter type
Gravity countertop
Under-sink RO
Removes
lead, PFAS, chlorine, fluoride
lead, PFAS, fluoride, nitrates, arsenic, chlorine
NSF certified
N/A
58
Flow rate
0.06 GPMWin
0.05 GPM
Filter life
6,000 galWin
1,000 gal
Filter cost / yr
60 USDWin
70 USD
Installation
No-install
DIY
Storage tank
No
Yes
Big Berkey
Gravity-fed stainless countertop system that filters water anywhere without plumbing or power.
RCC7AK
Six-stage RO system with alkaline remineralization for clean, balanced drinking water.
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