10x15x1 MERV 8 AC Furnace Filters 12 Pack special-order it has a 0-hour pre-harvest

it has a 0-hour pre-harvest interval allowing it to be sprayed up until the day of harvest (excluding cannabis)

Optional 1:1 ratio flow restrictor saves 50% more waste water

Outer Dimensions: 1/4''

Try out the Complete Veganix Vegmatrix Nutrient line with this easy to use and affordable Starter Kit that will supply up to approximately four plants from seed to harvest

Weight (lbs): 1

10x15x1 MERV 8 AC Furnace Filters 12 Pack special-order it has a 0-hour pre-harvestNordic 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