s hand or finger is illustrated more clearly in fig5 hooks 17 are attached at the lower side walls of housing 10 and a strap 16 preferably made out of some suitable elastic material is looped through the hooks 17 with the distal ends of the strap hanging loose the strap can then be wrapped around the hand or the finger of the cigarette smoker and tightened and held in place by mating parts of the velcro fastener 31a and 31b the air outlet from the housing chamber 22 may be provided by perforations 23 in a wall of housing 10 fig2 or as illustrated in fig8 by slots 32 through a side wall of housing 10 fig7 illustrates another arrangement for the mechanisms of the air cleaner contained in housing 10 in this arrangement an interior wall 33 separates chamber 22 in housing 10 into two separate compartments 22a and 22b compartment 22a contains the stator 34 of the rotary blower and the battery 27 rotor 35 extends from stator 34 into compartment 22b so it is closer to the inlet opening 11 and filter media 12 to more effectively draw the tobacco smoke through the filter media 12 and expel it through the.