20x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 8 Air Filters 2 Pack new_additions and ensure a safe electricity

and ensure a safe electricity environment and normative operation

Available in sizes 100ML

Replacement V- Belt for the T2 tumbler

Bluelab pH 7 and Bluelab pH 4 Solution Sachets are now included

HI98100 Checker Plus pH Tester

20x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 8 Air Filters 2 Pack new_additions and ensure a safe electricityImportant 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 7 8 and 5 1 4 inch depth filters,