18x18x2 Pleated MERV 13 Air Filters 3 Pack Tents / Indoor Greenhouses This helps to promote even

This helps to promote even growth from end to end and allows for equal light-time for the entire run

Ceramic micromole output within the PAR (Photosynthetically Active Radiation) spectral range

These connectors enable you to keep multiple areas ventilated

Milwaukee pH & Temperature Monitor with Wifi

18x18x2 Pleated MERV 13 Air Filters 3 Pack Tents / Indoor Greenhouses This helps to promote evenNordic Pure MERV 13 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 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200