The new SQ300W Pro Full-Spectrum LED
Urea-Free Formula: Will not burn your plants
Virtually eliminates transplant shock & stress
Readily Biodegradable
- Output 1 (bottom) for CO2 enrichment or CO2 ventilation control
25x25x1 Pleated MERV 13 Air Filters 6 Pack AIR FILTER BOXES The new SQ300W Pro Full-SpectrumNordic 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