13x21_3/4x1 Exact MERV 10 AC Furnace Filters 6 Pack PH/EC/TDS Meters and Solutions This extends the life of

This extends the life of your primary FR

Follow feeding schedule guidelines provided by HUMBOLDT NUTRIENTS

(1) Autopilot PX2 with locking mini 3P IP65 female lighting connectors

migration from outside may occur in warmer months

• Antibacterial and antifungal properties

13x21_3/4x1 Exact MERV 10 AC Furnace Filters 6 Pack PH/EC/TDS Meters and Solutions This extends the life ofNordic Pure MERV 10 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, allergens and other contaminants are removed. MERV 10 furnace filters are comparable to HVAC filters with the rating of MPR 900 1000. While different companies