6x20x1 MERV 13 AC Furnace Filters 6 Pack Environmental Controllers Superior engineering ensures consistent intensity

Superior engineering ensures consistent intensity and spectral quality

Darkling Beetles

Quickly and easily create professional quality grafts

but we do have 1/4" x 100' here

These whitefly parasites work well in combination with Green Lacewing and can be released indoors or outdoors

6x20x1 MERV 13 AC Furnace Filters 6 Pack Environmental Controllers Superior engineering ensures consistent intensityNordic Pure MERV 13 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, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200