Pack of 2 replacement quartz halogen bulbs designed for laboratory chemistry analyzers. Model BS120, 12V 20W, G4 base. Key benefits Restores reliable illumination quickly to reduce instrument downtime during routine use and maintenance. Stable light output helps maintain consistent readings by providing steady 350 lumens at a warm 3000 K color temperature. Compact G4 base and 30 mm overall length ensure direct compatibility and simple installation in compatible analyzer sockets. Durable quartz glass construction with good thermal stability for dependable operation in industrial laboratory environments. Comes as a readytoinstall pair so spares are available when needed. Specifications Reference: BS120 Model number: BS120 12V20W Pack: 2 pieces Voltage: 12 V Power: 20 W Light output: 350 lm Color temperature: 3000 K Filament: C6 Base: G4 Glass: T3 Maximum overall length: 30 mm LCL: N/A Rated life: 2000 hours Bulbs included: Yes Usage: Industrial Compatibility Compatible with Mindray BS120, BS180, and BS190 chemistry analyzers for direct replacement. Typical applications worn or failed bulbs in chemistry analyzer instruments during scheduled maintenance. Keep on hand as spare bulbs in clinical, hospital, or research laboratories to avoid interruption of testing workflows. Use in industrial laboratory equipment that requires a 12V 20W G4 quartz halogen light source. What it solves Eliminates fit and specification guesswork by providing a direct replacement with matching base, size, and light characteristics. Minimizes downtime with easy installation and an included spare bulb. Delivers consistent illumination needed for stable instrument operation. Package contents Two BS120 12V20W G4 quartz halogen bulbs.