21 1/2x26x1 Exact MERV 12 AC Furnace Filters 6 Pack Light Fixture All 40 Series DE ballasts

All 40 Series DE ballasts are fully compatible with the Autopilot PX1 Digital Lighting Controller (APDPX1)

S4 Spectrum: Provides highly efficient full spectrum with a healthy red-to-blue ratio to drive photosynthesis

So much light from just one luminaire

durable enough to withstand all weather conditions

This film's high durability makes it reusable and easy to clean

21 1/2x26x1 Exact MERV 12 AC Furnace Filters 6 Pack Light Fixture All 40 Series DE ballastsNordic Pure MERV 12 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, smoke particles, virus carriers, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different