28x30x1 MERV 13 AC Furnace Filters 6 Pack harvest-solutions 2-stage release mechanism with internal

2-stage release mechanism with internal relief valve

For use outdoors in and around gardens

Specifically designed features allow this tray to sit flat on shelving with a trough that hangs slightly over the edge

A light cloud of Terp Gerp settles over the canopy and acts on the flowering sites directly to stimulate action where the flowers are developing

28x30x1 MERV 13 AC Furnace Filters 6 Pack harvest-solutions 2-stage release mechanism with internalNordic 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