The Braun ThermoScan Hygiene Caps (LF 40) are specially designed disposable lens filters for Braun ear thermometers. Each package contains 40 protective caps that help ensure accurate temperature readings while maintaining hygiene standards. These hygiene caps are compatible with multiple Braun ThermoScan models including IRT6000, 6020, 6500, 6510, 4020, 4520, 3020, 3030, and 3000. The caps serve as a protective barrier against cross-contamination between uses and help promote precise temperature measurements. Each cap should be disposed of after a single use for optimal hygiene.