cobas SPU (Sample Processing Unit) — single-use disposable cartridge for the COBAS AmpliPrep Instrument and cobas s 201 system. Serves as the primary reaction vessel during automated nucleic acid extraction and PCR sample preparation. Each SPU isolates one specimen or control in a sealed environment, minimising cross-contamination. Essential for molecular diagnostics workflows including HIV, HBV, HCV, and HPV testing. Pack size: 12 × 24 (288 units).