17_1/4x17_1/4x1 Exact MERV 14 AC Furnace Filters 6 Pack 9 CFM This is a great blend

This is a great blend for plants experiencing periods of accelerated growth

Tear proof 600D Fabric

PHOTOBIO•X is designed for the serious horticultural professional looking to increase business sustainability by reducing power consumption while simultaneously improving crop performance and yield

and Alg-A-Mic

Power: 750 Watts

17_1/4x17_1/4x1 Exact MERV 14 AC Furnace Filters 6 Pack 9 CFM This is a great blendNordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.