You are considering whether to buy a product. You look at the reviews. Would the following review decrease or increase the chances of you buying the product?
Review title: Breathe cleanly with this mask in very dusty environments
Product review: This is the only mask that I will use for keeping the nasty dusts out of my lungs and sinuses. My wife MUST use this mask also as it prevents the molds from tripping her breathing problems. The outlet valve keeps the hot exhaust air going out of the mask.
