3M Attest Biological Indicators (Brown cap) - 48 Hour Results (25 Pack)

3M™ Attest™ Biological Indicators (Brown Cap, 25-Pack) provide visual confirmation of sterilization performance in gravity and vacuum-assisted steam sterilization cycles. Each unit contains spores of Geobacillus stearothermophilus and provides a clear visual result after 48 hours of incubation.

• 48-hour visual readout: Provides reliable biological results using the 3M™ Attest™ 116 Incubator.
• Validated sterilization cycles:
  • Gravity: 121°C (250°F)
  • Vacuum-assisted: 132°C (270°F)
• Compact packaging: Convenient 25-pack ideal for smaller facilities or low-volume monitoring.
• Easy-to-read color change: Indicates the presence or absence of surviving spores.
• Sterile and reliable: Individually packaged for consistent, contamination-free performance.

Packaging: 25 Indicators/Box, 4 Boxes/Case (100 Indicators/Case)

Recommended for facilities monitoring gravity or pre-vacuum steam sterilization cycles where compact packaging and 48-hour visual readout are preferred.

After you place your order, a representative will contact you if any of the items from your order are on backorder. Items in stock are typically shipped within 24–48 hours. Shipping times for backordered items may vary.

Orders over $600 qualify for free delivery. For smaller orders, shipping costs are calculated based on weight. All shipments require a signature upon delivery. We partner with trusted carriers such as Canada Post, Purolator, DHL, and others. Please note that remote area deliveries may incur additional courier surcharges to cover the extra handling and distance.