Sorry, this product is no longer offered for sale. It was discontinued on Jun 11, 2025The recommended replacement product is FSR-U340-C.
Optical Filter, Visible Absorbing, 25.4 mm Diameter, Hoya U-340 Glass
The FSR-U340 Visible Absorbing Filter is a 25.4 mm diameter dark glass optical filter that passes UV and absorbs visible wavelengths made of Hoya U-340 filter glass. These filters are precision polished for demanding research or OEM applications and are ideal for extraction of UV wavelengths.
Warning - this filter is extremely susceptible to high humidity. The filter will absorb moisture, and discoloration may happen. Please store this in a low humidity environment. We offer the
Resources & Downloads
2D Product Drawings
FBR-NDXX-S(62 kB, PDF)
Other
FSR-U340 RoHS Certificate(704.6 kB, PDF)
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