10x20x1 Pleated MERV 8 Air Filters 12 Pack cleanroom the 5" x 7" gridded

the 5" x 7" gridded surface makes it easy to count just how many have landed and been captured on the trap

it can be used anywhere and anytime to help you manage your crops' daily nutrient requirements

6 - 3/4" barbed tee connectors

Includes (3) porthole covers

Larger plants produce larger quantities of fruits and flowers

10x20x1 Pleated MERV 8 Air Filters 12 Pack cleanroom the 5" x 7" griddedNordic Pure MERV 8 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 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters