Holder only, to be used in conjunction with ST-9SWTEST
The wash test indicators can be used inside washer disinfectors for routine control of the cleaning process and allow monitoring the effectiveness of automatic tanks with different washing configurations. They are to be placed inside the special holder to mimic a realistic challenge result even in areas that are difficult to access.
When placed inside the support, the culture medium is covered by a grid, which represents an area of difficult access for water, simulating covered or hidden surfaces