This whole-house air purifier allowed air to flow through it fairly easily. About Overall score for the Airmega 300 is mainly how well the model removed dust and smoke from a test chamber ...

Coway’s Airmega models are some of the best in the biz, and right now two are mega (pardon the pun) marked down over at Walmart. You can save upwards of $100 on each one, making now the perfect ...