Anyway got few question still flying in my mind. Already PM the guy who recommend this product (Purair 400A) in this post, sum how he kept silent to reply my PM although he is online. So, i post it here therefore if got any party can answer it ;

1. How do i know the Ionizer works? Coz it is very subjective right, we cant see the ion with our eyes

2. How do i know the UV lamp already kaput ? It is lays inside the compartment. Cant see liao if it is kaput or not.

3. Some how i cant feel the different if got this unit in my master bedroom. It is about the same with or without air purifier. Is it mean this product is no good ?

This post has been edited by TheExtreme: Oct 20 2009, 08:30 PM