PURELL LTX-12 Touch-Free Hand Sanitizer Dispenser, White, Dispenser for PURELL LTX-12 1200 mL Hand Sanitizer Refills - 1920-04 Smart, trouble-free electronics eliminate battery changes in most installations. Large sight window for at-a-glance monitoring. High-capacity output. Converts to a locking dispenser  key included. Compatible with PURELL LTX-12 1200 mL refills.