Can-Filter Can-Lite Packaged Pre-Filter, 14 Inch XL Pre-Filter:Can Fan 12" Can Lite Pre-Filter STAND ALONE USE:

STAND ALONE USE:

Most soilless blends will become more compact after a full growing season and Cloud 9 will add the porosity needed to allow for re-use of your existing soil

this sturdy

Superior quality & competitively priced

which is highly effective as a slow-release fertilizer used to improve the mineral content of soil and other growing media

Can-Filter Can-Lite Packaged Pre-Filter, 14 Inch XL Pre-Filter:Can Fan 12" Can Lite Pre-Filter STAND ALONE USE:Very low air resistance, Easily changed, Blocks dust and other contaminants from entering filter. Available in all sizes. A clean Can Filters Pre Filter is an excellent way of extending the working life of your Can Filter.