12.5x21x0.75 Exact Size Air Filter shoe-cover Enhanced Nutrient Uptake – Mycorrhizal

Enhanced Nutrient Uptake – Mycorrhizal networks dramatically expand the root zone's surface area

Gusseted crotch gives user more freedom to squat without ripping fabric

Universal cut to fit adapter

cacti and succulents

Type of Test: Plant Petiole Analysis (for grapes)

12.5x21x0.75 Exact Size Air Filter shoe-cover Enhanced Nutrient Uptake – MycorrhizalNordic Pure Custom MERV 10 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition