Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Impressed

I must say I was a little skeptical before purchasing this item. I've battled with allergies ever since I can remember. I didn't think there was a product around that could help me. My allergist told me that I was practically allergic to the environment. So I figured trying this product couldn't hurt. I'm impressed. Since I've been using the large size ionic pro, my allergy attacks have reduced tremendously. I notice that when I went into another room where I did not have the ionic pro, my allergies began to act up (sneezing, watery eyes, congestion,etc). I do see a positive difference in my condition while I have been using this product. I've had it for approx. 2 months and I like it.