2.Specifications Oasis Model R5 is an efficient 5-gallon per hour chilling unit . Ideal for installations where it is necessary or desirable to have the cooling unit in an area remote from the drinking fountain. Standard Features Waterways are Lead-Free in Materials & Construction. May Be Used To Serve Multiple Drinking Fountains. Made of Heavy Gauge Steel. High-Efficiency Cooling Tank and Coil. Refrigerant R-134a. 1/4” OD stainless steel water tube connections. Limited 5-Year Warranty. Size: 17"W X 29 7/8"D X 14"H. P3CP .