16x22x1 Exact MERV 7 AC Furnace Filters 6 Pack Garden Accessories made up of a helical

made up of a helical blade

See Feed Schedules for specific application recommendations

irrigation and continuous liquid feeding systems

It offers flexibility in application by being equally effective as a foliar spray or in soil applications

Features a multi-speed controller with power switch

16x22x1 Exact MERV 7 AC Furnace Filters 6 Pack Garden Accessories made up of a helicalNordic Pure MERV 7 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 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters