A sanitizing cabinet system comprising: a cabinet defining a sanitizing compartment; ozone distribution passaging in open fluid communication with the sanitizing compartment; an ozone generator in the ozone distribution passaging; a sanitizing air mover in the ozone distribution passaging configured to move air from the sanitizing compartment across the ozone generator to form ozonated air and to move the ozonated air into the sanitizing compartment; an ozone conversion device configured to be selectively opened and closed, the ozone conversion device being configured to neutralize ozone in the sanitizing compartment when opened; wherein the cabinet comprises an upper portion generally above the sanitizing compartment, a lower portion generally below the sanitizing compartment, and a height extending from the upper portion to the lower portion; wherein the ozone distribution passaging comprises an ozone discharge plenum; and characterised in that, the ozone generator is received in one of the upper portion and the lower portion and the ozone conversion device is received in the other of the upper portion and the lower portion (34; and (i) the cabinet comprises a front and a back, the ozone discharge plenum extending heightwise along the back from said one of the upper portion and the lower portion in which the ozone generator is received, the ozone distribution passaging defining a plurality of ozone outlets spaced apart along the height of the cabinet; and/or (ii) the ozone distribution passaging comprises an air mover plenum in which the sanitizing air mover is received, the air mover plenum defining a return air inlet, the air mover plenum extending along said one of the upper portion and the lower portion in which the ozone generator is received, wherein the ozone discharge plenum is in fluid communication with the air mover plenum, and wherein the ozone distribution passaging comprises a region connecting the air mover plenum and the ozone discharge plenum, the ozone generator being located in said region. a cabinet defining a sanitizing compartment; ozone distribution passaging in open fluid communication with the sanitizing compartment; an ozone generator in the ozone distribution passaging; a sanitizing air mover in the ozone distribution passaging configured to move air from the sanitizing compartment across the ozone generator to form ozonated air and to move the ozonated air into the sanitizing compartment; an ozone conversion device configured to be selectively opened and closed, the ozone conversion device being configured to neutralize ozone in the sanitizing compartment when opened; wherein the cabinet comprises an upper portion generally above the sanitizing compartment, a lower portion generally below the sanitizing compartment, and a height extending from the upper portion to the lower portion; wherein the ozone distribution passaging comprises an ozone discharge plenum; and characterised in that, the ozone generator is received in one of the upper portion and the lower portion and the ozone conversion device is received in the other of the upper portion and the lower portion (34; and (i) the cabinet comprises a front and a back, the ozone discharge plenum extending heightwise along the back from said one of the upper portion and the lower portion in which the ozone generator is received, the ozone distribution passaging defining a plurality of ozone outlets spaced apart along the height of the cabinet; and/or (ii) the ozone distribution passaging comprises an air mover plenum in which the sanitizing air mover is received, the air mover plenum defining a return air inlet, the air mover plenum extending along said one of the upper portion and the lower portion in which the ozone generator is received, wherein the ozone discharge plenum is in fluid communication with the air mover plenum, and wherein the ozone distribution passaging comprises a region connecting the air mover plenum and the ozone discharge plenum, the ozone generator being located in said region. (i) the cabinet comprises a front and a back, the ozone discharge plenum extending heightwise along the back from said one of the upper portion and the lower portion in which the ozone generator is received, the ozone distribution passaging defining a plurality of ozone outlets spaced apart along the height of the cabinet; and/or (ii) the ozone distribution passaging comprises an air mover plenum in which the sanitizing air mover is received, the air mover plenum defining a return air inlet, the air mover plenum extending along said one of the upper portion and the lower portion in which the ozone generator is received, wherein the ozone discharge plenum is in fluid communication with the air mover plenum, and wherein the ozone distribution passaging comprises a region connecting the air mover plenum and the ozone discharge plenum, the ozone generator being located in said region.