21x22x1 MERV 7 AC Furnace Filters 6 Pack control system when plants get too tall

when plants get too  tall for your original kit

Ballast Size: 11

Item # Description ANSI Initial Lumens CCT Bulb Shape CS/QTY PX-MH1000/DE/10K Plantmax – 1

This Product Controls These Pests or Diseases: Aphids

21x22x1 MERV 7 AC Furnace Filters 6 Pack control system when plants get too tallNordic Pure MERV 7 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 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters