A filter status indicator dot is visible on the side of the unit. The bottom of the unit shows the filter connection port, a flow rate stamp of ≤1.8 GPM, and batch code 8J242621 — all clearly visible in Image 3.
iSpring RO5004F-AK: 500 GPD Tankless RO w/ UV, Alkaline (pH+), 2:1 ratio.
Its alkaline remineralization feature adds beneficial minerals back into your water, balancing the pH for healthier, spring-like water. Its tankless design maximizes under sink space while producing up to 500 GPD, enough to fill a cup in just 10 seconds.
