20x20x4 (3 5/8) Pleated MERV 10 Air Filters 2 Pack spl_hlg Simply zip up the Carry

Simply zip up the Carry Case then tuck it away safely for storage or transport

BNC Terminal (left) allows Direct Connection to pH Sensor

What Customers Say:

- LED Grow glasses

The HP1 bucker is simple

20x20x4 (3 5/8) Pleated MERV 10 Air Filters 2 Pack spl_hlg Simply zip up the CarryImportant 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 20x20x4 filter