16x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 8 Air Filters 1 Pack controllers It is a high PK

It is a high PK analysis product that contains protein hydrolysate to support and maintain high density bud growth

slowing down the aging process

30 hours later there will be larvae emerging to feed and within a week you will have mass of adults

- Max Temp 750 F

16x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 8 Air Filters 1 Pack controllers It is a high PKImportant 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. We also carry 4 7 8 and 5 1 4 inch depth filters,