The tank capacity is 3.2 gallons. It is listed NSF 61 and 58, and are IAMPO and CE Mark approved.

The RO pressure storage steel tank, made by one of the world’s largest pressure tank manufactures, offers the industry’s best for reverse osmosis water storage. Constructed with FDA-compliant materials, it incorporates a virgin polypropylene liner and a high-grade butyl diaphragm for optimal purity and odor-free water. Its patented stainless steel water connection ensures reliability and long-term performance.

Maintenance-free and easy to install, the tank comes with a ¼" NPT connection and a separately packed ball valve (not included).