20x20x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack pumps-and-irrigation-supplies Sugar Peak Flowering's special feature

Sugar Peak Flowering's special feature is the built-in convenience of a single hydro-fusion formula

electronic forecast

A/C remote triggers*

manufactured by Nordic Pure

making transplanting less stressful to the clones

20x20x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack pumps-and-irrigation-supplies Sugar Peak Flowering's special featureImportant Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. If you are replacing a 4 3 8 depth 20x20x4 filter