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Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
- Multi-Purpose
Already blended with correct proportions of perlite and pumice for excellent drainage and a vigorous root system
removable filter means you spend less time on maintenance and more time on your grow
or contagions
Fully compatible with IPM programs
21x22x1 MERV 8 AC Furnace Filters 6 Pack spl_cp - Multi-PurposeNordic 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
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