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Delivery 24h-48h
We recommend all our customers to use our standard delivery service (free for orders over 130 € before VAT).
However, an optional delivery service is also available: Air Express, which speeds up order delivery.
Most orders placed before 2 pm can be confirmed for next-day delivery.
The cost of this additional service is calculated at checkout, depending on the weight of the order and its destination.
This service is only available for products marked with the 24–48 hour delivery icon. Other products may incur high delivery costs or be prohibited on planes.
Free return
30 days return guaranteeThe Bionova® BT20 Biological Indicator is designed to control vacuum-assisted steam sterilization processes at 121 - 134 ºC and for steam sterilization cycles with air displacement by gravity at 121 - 134 ºC. If the sterilization process was not successful, the indicator medium will change from purple to yellow after incubation at 60±2 ºC, thus indicating the presence of live Geobacillus Stearothermophilus spores. If the sterilization process was correct, the indicator medium will remain purple, and the final reading should be taken after 24 hours of incubation of the indicator at 60±2 ºC