(2-pack) Toland Home Garden Clear Replacement Rain Gauge Udometer 227200 Two pack of Toland replacement glass vial (udometer) that fits every Toland Home Garden rain gauge product except for the Mini Rain Gauge 211059 Approximately 8" tall and "2 diameter around the lip for resting in the ring of your rain gauge udometer holder Features measurements in both imperial inches and metric centimeters Measures up to 7 inches or 17 centimeters of rainfall Measurements are in bold, large-print letters that won't fade and are easy to read