Pentax Flexible Fiber Portable Bronchoscope model: FB-15BS excellent condition, tested, inspected, zero broken fiber. Portable light source available upon request. Pentax FB-15BS Bronchoscope – Biopsy Channel : 2.0mm – Insertion Tube : 4.8mm – Working Length : 600mm – Angulation : Up — 180º , Down — 130º Return Policy: Items are sold as-is with no returns or refunds available unless explicitly stated.