15x24x1 Exact MERV 8 AC Furnace Filters 6 Pack AIR FILTER BOXES It also provides "Xtra" flexibility

It also provides "Xtra" flexibility

meaning that if you are not holding the sensor perfectly perpendicular to the light source

foremost being the flexibility to allow the propagator to easily select the exact concentration desired for each type of cutting

The LED grow light bars are UL-rated for damp locations and are 0-10V dimmable

5-year warranty (6 months for Soil pH Probe)

15x24x1 Exact MERV 8 AC Furnace Filters 6 Pack AIR FILTER BOXES It also provides "Xtra" flexibilityNordic Pure MERV 8 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters