20x25x4 (3 5/8) Pleated MERV 7 Air Filters 2 Pack CO2 Bud Builder is a super

Bud Builder is a super concentrated blend of plant protein

7 ounces of powder will make up to 65 gallons of product

Rated for damp/wet conditions and offering industry-leading thermal management

Made to fit comfortably in your hand for on-the-go testing

For knock down foliar spray 2 oz per gallon every 2-3 days until desired results

20x25x4 (3 5/8) Pleated MERV 7 Air Filters 2 Pack CO2 Bud Builder is a superImportant 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 20x25x4 filter