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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
Economic (long average life
So keep it green and lush without the use of harsh chemicals
Recommended for 100+ gallon reservoirs
They include graduation and spout
• Protection from transplant shock
16x28x1 Exact MERV 13 AC Furnace Filters 6 Pack Growing Media Economic (long average lifeNordic Pure MERV 13 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, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200
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