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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
These loose round plugs fit perfectly into the Gro-Block hole
as well as for spring or fall plantings or other cool-weather applications
and magnesium
8" open end for sealing
• Enhances nutrient and water uptake
20x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 13 Air Filters 4 Pack MH These loose round plugs fitImportant 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,
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