SpectroFilm® 3.6µm Mylar® 25/Pkg SpectroFilm® Self-Sticking Safety XRF Secondary Film, 1.38″ (35mm) Dia. with .78″ (20mm) Aperture

SpectroFilm® 3.6µm Mylar® 25/Pkg SpectroFilm® Self-Sticking Safety XRF Secondary Film, 1.38" (35mm) Dia. with .78" (20mm) Aperture



