16_1/4x21_1/4x1 Exact MERV 7 AC Furnace Filters 6 Pack Water Heaters Chillers Suggested Uses: Use as a

Suggested Uses: Use as a soil amendment to provide nutrition

1x 4 Inch Inline Fan with Fan controller

There are four precision thermal probes included

High frequency

Safety nylon lock system

16_1/4x21_1/4x1 Exact MERV 7 AC Furnace Filters 6 Pack Water Heaters Chillers Suggested Uses: Use as aNordic 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