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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
When using Prozyme as a catalyst for chemical reactions
and the 2 1/4" Matrix Circulator
Genuine Zenport replacement parts are available
Each filter is machine packed and includes a pre-filter
outdoor and hydroponic use
16x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 8 Air Filters 2 Pack spl_hf When using Prozyme as 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 7 8 and 5 1 4 inch depth filters,
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