air vent 35 on the air duct exhaust 45 via screws 48 see fig3 turning now to the partial side view of fig4 the principles of the present invention provide for a fanned vent cover insert 50 that is disposed between the air duct exhaust 45 of the air duct 20 and the air vent 35 on one side of the fanned vent cover insert 50 is a rubber gasket 60 for mating with the air duct exhaust 45 while on the other side of the fanned vent cover insert 50 is a rubber gasket 65 for mating with the air vent 35 those two rubber gaskets form a seal to prevent air flow 87 from the air processing unit 15 from bypassing the fanned vent cover insert 50 still referring to fig4 the fanned vent cover insert 50 include two fans 70 and 75 shown in more detail in fig5 that are respectfully located in two air channels 80 and 85 disposed between the air channels is a battery compartment 90 fig5 illustrates a u201c bottom view u201d of the fanned vent cover insert 50 bottom view is a view looking at the fanned vent cover insert 50 side that contacts the air duct exhaust see fig4 as shown fig5 illustrates the two fans 70 and 75 the two air channels 80 and 85 and the battery compartment 90 in more detail also shown is an air flow switch 95 described in more detail subsequently which senses the air flow 87 see.