16x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 14 Air Filters 1 Pack pumps-and-irrigation-supplies * Quick and easy maintenance

* Quick and easy maintenance with simple filter

Nordic Pure 10x30x1 MERV 10 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

Wait till you add DEEP BREATH to your feeding regimen

The AMP-2 module connects the Aqua-x to a set of precision pH / EC & temperature probes to constantly measure the pH / EC & temperature of the water being sampled

16x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 14 Air Filters 1 Pack pumps-and-irrigation-supplies * Quick and easy maintenanceImportant 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,