12x27x1 Exact MERV 8 AC Furnace Filters 6 Pack Nutrients Product Highlights Natural White Metal

Product Highlights Natural White Metal Halide provides high lumen output and well-balanced spectrum that help plants grow from start to finish

• High-pressure in-line pH probe with 3/4' NPT thread

The meter is fully cosine corrected for the angular incidence of light

It comes complete with installation hardware

12x27x1 Exact MERV 8 AC Furnace Filters 6 Pack Nutrients Product Highlights Natural White MetalNordic 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