The 20-410 White Matte Cosmetic Treatment Pump Lock Up Head features a 3.4375-inch diptube and delivers a precise 230 microliter output with each pump. Its lock-up design ensures secure closure, preventing leaks during travel or storage. The matte white finish complements a variety of cosmetic packaging styles while offering ease of use for consistent application. This pump is ideal for dispensing creams, lotions, and other treatments with accuracy and reliability.