20x25x5 1/4 (5.25) Goodman/Carrier/Amana Replacement MERV 12 Air Filters 2 Pack Garden Accessories It comes pre-mounted with a

It comes pre-mounted with a 1000W high frequency ballast

This is the symbiotic relationship between plants and microorganisms

BotryStop poses no threat to living tissue

Keep it clear with Clear Rez

By tightly and smoothly controlling environmental conditions

20x25x5 1/4 (5.25) Goodman/Carrier/Amana Replacement MERV 12 Air Filters 2 Pack Garden Accessories It comes pre-mounted with aImportant 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 3 8 and 4 7 8 inch depth filters,