Will the CO-Z Gravity Filter fit on a small apartment counter without crowding the sink area?

We picked it for a full review because the capacity is the deciding figure here, and that figure is 2.25 gallons.

The CO-Z Gravity Filter is a stainless steel countertop water filter with no electricity required, and its stackable design helps, but the listing does not state the exact exterior dimensions or the clearance height it needs above the counter. Its stainless steel body, two filter cartridges, and included stand also affect how it sits in a small kitchen, yet the space question still comes down to your own footprint and the room above it.

You can also learn how much water the CO-Z 2.25 Gallons holds to see if it can handle a large group dinner without frequent refilling.

What to Check Before Buying the CO-Z Gravity Filter

• Measure the countertop footprint beside your sink, including the width you can spare for the tank and stand.
• Check the vertical clearance above the counter, since gravity feed needs room for filling and dispensing.
• Confirm the base area stays stable when the 2.25-gallon tank is full and the unit is bumped during daily use.
• Count the space taken by the filter cartridge housing and the included stand, not just the tank itself.

Where the CO-Z Gravity Filter Sits Among Countertop Options

The CO-Z Gravity Filter suits you if you want a no-power countertop water filter and can live with a smaller batch size. Its 2.25-gallon capacity makes sense for light daily use, short trips, or a kitchen that only needs modest stored water. If you want fewer refills or a larger reserve for a busy household, look at larger gravity-fed countertop systems instead. That tradeoff matters because this format is chosen for convenience, and a smaller tank is the part that limits convenience in a crowded kitchen.

If space is your primary concern, see our list of compact gravity filters under $200 for more budget-friendly options.

Choose this model if your priority is a compact gravity-fed water filter with stainless steel construction, NSF/ANSI 42 compliance, and a simple no-electric setup. Skip it if your counter is already tight around the sink or if you need a larger reserve than 2.25 gallons can provide.

For those planning for long-term storage, explore the best gravity filter for emergency preparedness to see which models offer the highest capacity.

Reviewed by the Predicament Measures editorial team.