20x25x4 (3 5/8) Pleated MERV 10 Air Filters 2 Pack botanicare Fuse Rating: 6A/250V~

Fuse Rating:                                        6A/250V~

then slowly increase concentration every 2 weeks until you reach 25-30 ml/gallon

Mogul base designed

Includes mounting brackets

even slabs and plastic coverings

20x25x4 (3 5/8) Pleated MERV 10 Air Filters 2 Pack botanicare Fuse Rating: 6A/250V~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