16x20x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 1 Pack spl_hgc 0-hour REI (Restricted Entry Interval)

0-hour REI (Restricted Entry Interval) and 0-day PHI (Post Harvest Interval)

and seedlings

bearing 88lb/40kg

PM Wash is truly the cleanest solution for your garden

16x20x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 1 Pack spl_hgc 0-hour REI (Restricted Entry Interval)Important 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 16x20x4 filter