25x28x1 Exact MERV 14 AC Furnace Filters 6 Pack Tubing The ballast will correctly operate

The ballast will correctly operate all HPS

For hydroponic use:

Watering System for Potted Plants and Nursery Containers

Heavy Red Spectrum

Note: Normally 50/60 units fit in a 10x20 tray

25x28x1 Exact MERV 14 AC Furnace Filters 6 Pack Tubing The ballast will correctly operateNordic Pure MERV 14 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, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.