HEPA air purifiers can curb dust and allergies, owners say, and a box-fan filter may help, too

HEPA air purifiers can curb dust and allergies, owners say, and a box-fan filter may help, too

A sprawling Reddit conversation suggests air purifiers do more than pad affiliate-heavy shopping guides: many people who already own them said the devices were worth the cost. Among commenters frustrated by constant dust, sneezing, and poor indoor air, the advice kept circling back to the same options — true HEPA purifiers for the strongest results, and box-fan filter builds as a cheaper alternative. What's happening? The discussion began in r/B…