20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 13 Air Filters 4 Pack X Nutrients Grow Spray 1 Gal The premium granules expand up

The premium granules expand up to 7 times in volume when hydrated

It is a high performance plant food with long shelf life elements that won't drop out

alcohol with a proof of 200

BULK should be used in the flowering stage to optimize flower production

• 2 ratchet ropes included

20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 13 Air Filters 4 Pack X Nutrients Grow Spray 1 Gal The premium granules expand upImportant 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,