24x28x1 MERV 8 AC Furnace Filters 6 Pack complete grow kit 50/60Hz Certifications ETL/FCC 3-in-1 (Temp/Humid/CO2)

50/60Hz Certifications ETL/FCC 3-in-1 (Temp/Humid/CO2) Sensor Max 1pc per set

depending on the size of plant and grow cycle you desire

-Measures 8" H by 9 1/8" L

Saltmarsh Caterpillar

Lumina™ should be applied once every 1-3 weeks in conjunction with a typical fertilizer regimen

24x28x1 MERV 8 AC Furnace Filters 6 Pack complete grow kit 50/60Hz Certifications ETL/FCC 3-in-1 (Temp/Humid/CO2)Nordic 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