20x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 13 Air Filters 2 Pack eligible-for-discount You can adjust the tautness

You can adjust the tautness by placing the hooks on the mesh openings of your choice

Powered with high efficiency Diablo™ Quantum Boards® for 2

This high-PFF MH lamp delivers optimized full spectrum plant biologically active radiation

Note: Not for use with the Aluminum Wing reflectors or the single T5 strip

It is used widely as a solvent

20x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 13 Air Filters 2 Pack eligible-for-discount You can adjust the tautnessImportant 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,