Device for holding a container for a composition that produces an antimicrobially active gas

1. A unit comprising an enclosed space not easily accessible for cleaning and deodorizing, the unit having an interior and an exterior, the unit comprising:

a container permeable to water or water vapor, holding a composition which generates an antimicrobially active gas;

an access port in the unit openable from the exterior of the unit to permit placement and replacement of the container;

a holder for said container, accessible through the access port, which retains the container within the interior of the unit at a location exposed to the ambient air within the interior; and

an indicator device providing an indicator signal in response to a predetermined time interval between openings of said access port.

2. The unit of claim 1 wherein said composition comprises sodium chlorite and an acidic component.

3. The unit of claim 1 wherein said composition generates chlorine dioxide gas.

4. The unit of claim 1 wherein said holder is a drawer, pivoting pocket, slot or tray.

5. A unit as in claim 1 wherein said indicator signal is a light or an alarm activated upon passage of said time interval.

6. The unit of claim 1 , said unit having a top and a front wherein said holder is in the top or front of said unit.

7. The unit of claim 1 wherein said container holds from about 50 g to about 500 g of said composition.

8. The unit of claim 1 wherein said composition is a solid, a liquid or a combination thereof.

9. A unit as in claim 1 wherein said container is comprised of a microporous nonwoven hydrophobic polymer sheet material.

10. The unit of claim 9 wherein said container is comprised of a nonwoven polyethylene or a nonwoven polytetrafluoroethylene.

11. The unit of claim 1 wherein said container is a sachet, bag or pouch.

12. A unit as in claim 1 wherein said access port is configured such that the contents within the interior of the unit, other than said container, may not be accessed therethrough.