Are air purifiers any good for growing/drying?

Aloecanna

Active Member
I Found this honeywell air purifier at the thrift store today for $6!! It was real dusty and dirty but i cleaned it up and its in a great condition. But replacement filters are a bit pricey about 5 times for what i paid for the purifier. So should invest in the filters? Will this help keep my dry box clean while drying my buds?
 

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