Home / Detectors / Accessories / Siemens PBF-1191B Siemens PBF-1191B Short-Distance Filter [23 – 33 ft.] Request a Quote This product is already on your Quote Request Browse your Quote Request Factory New FireAlarm.com Part #: 111305 Categories: Accessories, Beam Detectors, Detectors, SIEMENSEXPORT Manufacturer Part #: PBF-1191BSecondary Part #: 500-695083 Specifications Resources Information Weight 0.50 lbs Manufacturer Siemens Industry Inc. Brand Siemens Condition New Unit of Measurement EA Linear Beam Smoke Detector DownloadSiemens – Catalog Sheet