The 5911-B Clarity™ 520 nm Fluorescence Filters is ideal for microarray, DNA sequencing, fluorescence microscopy, flow cytometry and other fluorescence-based applications. Based on a revolutionary filter technology that produces ultra dense films, Clarity filters offer exceptional performance and reliability, which we back by a five-year product warranty on standard filters. It features superior contrast with > 90% transmission AND > OD 6 blocking, Exceptional reliability backed by five-year warranty, Experienced supplier to multiple Tier-1 life science OEMs.