Filters available individually or in an economical pack of 4 to cover the entire year. (filters are currently available in limited quantities, the pack of 4 is not available)
Instructions: Shake gently between each client. Make sure to note the direction of installation and put the filter back on the correct side.
To extend the life of your filter, it is recommended to sweep the cells as often as possible. Once a day is sufficient.
Draw an arrow on the side of your filter to indicate which side is up.