4-week service cycle (SKU: 7540-644) or 8-week service cycle (SKU: 7518-544). Touch-free, trouble-free dispensing system. Helps eliminate cross-contamination. Dispenses the perfect amount of sanitizer in either foam or liquid. Use with PURELL® Instant Hand Sanitizer Foam SKU: 7224-688 (4- week service cycle), SKU: 7235-544 (8- week service cycle) or PURELL® Instant Hand Sanitizer Liquid SKU: 7224-687 (4-week service cycle), SKU: 7234-544 (8-week service cycle). US & Canada Colors: 655 Dove Gray.