The Von Duprin QM option controls motion to reduce operational noise
Cross-reference: Air Louvers WT-S483
Electroplated ferrous components provide corrosion resistance
Door Types: Fits 1-3/4" doors standard
AAMA/WDMA/CSA 101/I
9KW37DEL-16-D-S3 Electrified Cylindrical Lock, 24VDC, Electronically Locked, Fail Safe, 16 Lever, D Rose, SFIC Prep Finish:Satin Brass The Von Duprin QM optionBest 9KW37DEL 16 D S3 Grade 1 Electrified Cylindrical Lock, 24VDC, Electronically Locked, Fail Safe, 16 Lever, D Rose, (SFIC) Small Format Interchangeable Core Prep, Less Core, S3 4 7 8" ANSI Strike Building on BESTs legacy of innovation, the 9K series cylindrical lock combines top quality materials and exceptional craftsmanship into a tough, dependable, long lasting security solution. The 9K series was designed to be low maintenance, easy to install,