11 1/4x11 1/4x1 Exact MERV 8 AC Furnace Filters 12 Pack Lighting & Electrical Components Using just 33% of the

Using just 33% of the energy required by similar high-output T5 fluorescent tubes and lasting over twice as long

The white exterior reflects light and heat to prevent the degradation of your valuable nutrient solutions

The GrowLab Horticultural Grow Room is an original

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Milky Spore's effectiveness can be enhanced by the use of NemaSeek beneficial nematodes

11 1/4x11 1/4x1 Exact MERV 8 AC Furnace Filters 12 Pack Lighting & Electrical Components Using just 33% of theNordic 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