Based on this product's specifications, here are some alternatives and similar models
Respirator with Valve Active Gear R34 FFP3 — model R34, protective mask FFP3
Summary description:
Active Gear R34 is a respirator with a valve classified as FFP3, designed to provide high-level respiratory protection. The R34 model features an exhalation valve for easier breathing and reduced moisture buildup. Suitable for professional environments requiring filtration of fine particles and aerosols, it helps protect the wearer during construction, industrial work, or medical and laboratory tasks.