The CS-4 is for normal indoor spaces such as homes and offices. Covers up to 5,000 sqft.The SpringAir Air Purifiers are not filters. Instead it re-creates the same process that Mother Nature uses to keep the air fresh and clean.
$3.95 Flat Rate Shipping
Just plug in and start to enjoy clean, mountain-fresh air for only pennies a day!
FREE Gift Receive the Airtech 2000 a plug & clean UV-c air germicidal unit, with a value of $75 !
Covers up to 5,000 sqft.
Cleans the air using negative ions. Removes strong odors.