Sirchie BMF100R Excitation Filter for MagLite Rechargeable Battery Flashlights

Excitation filters feature superior spectral stability and physical durability characteristics. Filter coatings are hard, all-dielectric coatings, extremely durable when exposed to humidity, heat, thermal shock, abrasion and handling. Dimensions: 2" dia. x 0.04" thick. Passband is from 390nm-520nm.