Indicating Tube Black Spot up to 121°C, Type1

Black Spot Control Tubes for steam sterilizers working at 121°C for 15 minutes

Fluid, dry heat and steam sterilisation control tubes are an effective and immediate visual check on sterilization conditions

The heat-sensitive dyes within the boroscilicate glass tube change colour after 15 minutes at 121°C

LM092 – Browne Indicating Tube Black Spot up to 121°C, pk100. Supplied in boxes of 100 tubes