16_1/2x21x1 Exact MERV 7 AC Furnace Filters 6 Pack Garden Accessories It features adjustable set point

It features adjustable set point and elevation levels

Xtra versatile—works with most fixtures

This product is an easy-to-assemble shelving system ideal for propagation of clones and seedlings in two standard 10” x 20” nursery trays lengthwise on each shelf with room to spare

is designed and manufactured in the USA and is the ultimate in light mover control

16_1/2x21x1 Exact MERV 7 AC Furnace Filters 6 Pack Garden Accessories It features adjustable set pointNordic 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