3M Attest Biological Indicator (Blue cap) - 24 Hour Results

3M™ Attest™ Biological Indicators (Blue Cap) provide reliable, visual confirmation of steam sterilization performance within 24 hours. Designed for use in gravity steam sterilizers, these indicators contain spores of Geobacillus stearothermophilus to verify sterilization efficacy through a color-change reaction.

• 24-hour visual readout: Provides accurate biological verification within one day using the 3M™ Attest™ 116 Incubator.
• Validated sterilization cycle: Gravity cycle at 132°C (270°F).
• Visual color-change system: Detects surviving spores through a simple, easy-to-read color change.
• Reliable biological monitoring: Confirms sterilization effectiveness for instrument and load validation.
• Sterile and ready to use: Individually packaged for contamination-free handling.

Packaging: 100 Indicators/Box, 4 Boxes/Case (400 Indicators/Case)

Recommended for gravity steam sterilization monitoring requiring 24-hour biological verification with visual readout.

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.