Radiation protection in diagnostic radiography is built upon the principle that every exposure carries risk—and therefore, every exposure must be optimized. Among the core strategies used to reduce unnecessary patient dose, filtration stands as one of the most effective and universally applied. While it quietly operates inside the x‑ray tube assembly, its impact on skin dose, organ exposure, beam quality, and compliance with national safety standards is profound.

Filtration does far more than “clean up...