16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 10 Pleated Plus Carbon 4 Pack Growing Media 【Dimmer Function】Flexible dimmer allows you

【Dimmer Function】Flexible dimmer allows you to adjust light intensity from 15% to 100% brightness

There are four precision thermal probes included

It can be found as an impurity in butane

Big Time Rinse is used at the end of a crop's growth cycle to trigger the last reproductive stage of the plant

Heavy Red Spectrum

16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 10 Pleated Plus Carbon 4 Pack Growing Media 【Dimmer Function】Flexible dimmer allows youImportant 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,