20x25x4 (3 5/8) Pleated MERV 8 Air Filters 2 Pack leds Operating Conditions 950A CFM @

Operating Conditions 950A CFM @ 6″ W

Zenport AZD05 Accuzen platform mechanical spring dial scale accurately measures weight of grain

and vigor by revving up biological function at the foliar and root substrate levels—in essence

a biological plant stimulator is designed to activate plant cell proliferation by utilizing the Rhizosphere microorganism pathway - mineral nutrient supply can strongly affect root growth morphology

The micro computer with digital LCD display allows for easy operation

20x25x4 (3 5/8) Pleated MERV 8 Air Filters 2 Pack leds Operating Conditions 950A CFM @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 20x25x4 filter