and with their 2000° Kelvin color temperature they consistently provide intense light in the correct spectral range for vigorous flowering growth and can even be used
Impermeable fabric and seams pass ASTM F1670 & F1671 tests for protection against blood
Perlite: maintains air space for optimum root growth
An elastic closure makes it easy to put on and take off without pulling hairs
10x12x1 Exact MERV 14 AC Furnace Filters 6 Pack Reflectors & Grow Lights and with their 2000° KelvinNordic 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.