Tuttnauer Ultra-Rapid 20-Minute Steam Biological Indicators, 50/Box (WTL198-0072)

Tuttnauer Ultra-Rapid Biological Indicators deliver a 20-minute fluorescence readout for steam sterilization monitoring, the fastest spore-test turnaround in the Tuttnauer line. These self-contained BIs help busy practices verify autoclave performance and release loads quickly.

Key Features

• 20-minute fluorescence readout in a compatible auto-reader incubator
• Self-contained, inoculated with 10⁶ Geobacillus stearothermophilus spores
• Optional visual confirmation by color change at 48 hours or 7 days
• Incubated at 60°C ± 2°C
• For gravity (Class S) and pre/post-vacuum (Class B) autoclaves

Specifications

Compatibility

The 20-minute result requires a Tuttnauer auto-reader incubator such as the MiniBio Auto-Reader (WTL198-0057) or Bionova High-Capacity Incubator (WTL198-0079). Use only for 132-135°C (270-275°F) steam cycles; for 121°C cycles, choose the 1-hour rapid BI.