1-Slot Demountable Quartz ZipTorch for Avio 200/500, easy installation with perfect alignment each time. Requires ZipFit Avio demountable injector, not included DISCLAIMER: LabKings is not affiliated in any way with Thermo Perkin Elmer. Any claims of compatibility are the sole claim of LabKings and our manufacturers, and have not been reviewed, approved, or endorsed by Perkin Elmer “The cross references to manufacturer part numbers listed here serve as a recommendation that LabKings products are viable alternatives to the manufacturer’s products”