15x15x1 Exact MERV 7 AC Furnace Filters 6 Pack propagation trays Sachets will be active for

Sachets will be active for about 4-6 weeks depending on infestation level and predator establishment

This can provide more opportunity for nutrient availability and may increase fruit and flower production

If you live somewhere with cold

Nordic Pure MERV 14 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments

14 x Flora Clip 2

15x15x1 Exact MERV 7 AC Furnace Filters 6 Pack propagation trays Sachets will be active forNordic 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