Semi Demountable Torch with 2.4mm ID Quartz Injector (Alternative for Glass expansion 30-808-4221) DISCLAIMER: LabKings is not affiliated in any way with Analytik Jena. Any claims of compatibility are the sole claim of LabKings and our manufacturers, and have not been reviewed, approved, or endorsed by Analytik Jena. “The cross references to manufacturer part numbers listed here serve as a recommendation that LabKings products are viable alternatives to the manufacturer’s products”