Hand-sanitizer gel refill is designed for Purell LTX-12 Hands-Free Dispensers (cartridge #1903) and features a scientifically advanced, patent-pending formulation that outperforms other hand sanitizers ounce for ounce. Purell Advanced Green Certified Foam kills 99.99 percent of most common germs on hands. Green certified, USDA certified, bio-based formulation meets EcoLogo hand sanitizer standard CCD-170 for environmental leadership and proven performance as well as CDC and APIC recommendations. Gel formula is fragrance-free and dye-free.