Self-contained wall mount electric two-level water cooler. Refrigerated LZ(S)TL8 models offer a chilling capacity of 8 gph of 50 deg F drinking water, based upon 80 deg F inlet water and 90 deg F ambient. Models LZSTLDD is non-refrigerated shall deliver non-chilled drinking water. Shall include the WaterSentry® VII 1500-gallon capacity filter, certified to NSF/ANSI 42 and 53. Unit shall meet ADA guidelines. Unit shall be lead free design which is certified to NSF/ANSI 61 and 372 and meets Federal and State low-lead requirements. Unit shall be certified to UL399 and CAN/CSA 22.2# 120.