Air filter question for my grow box

Can I use 2 box fans in a 5x2x3 box one will be next to the one solid wall say on one end going length wise to blow air for 4 plants and the one more fan reversed on the other end with like 2 ace micrparticle filters to stop the smell? would it even block the smell of my plants or just filter the air. It states it will stop 99% or 99.9% of all particles so im not sure if it would make it scent free or at least mostly.
 
If you're not using a carbon filter more than likely you will not stop smells. Maybe during veg you can eliminate that pine/soil smell but when you're in full flower the smells will get pretty potent.
 
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