16x20x2 Pleated MERV 14 Air Filters 12 Pack PH/EC/TDS Meters and Solutions 3 GPH per stake

3 GPH per stake

Perfect for use with GroLine testers and portable meters

Sunrise/sunset simulation settings to provide a gradual ramp-up and down at both ends of your photoperiod

Please see the manufacturer's label under the DOCS tab for plant-specific applications

When cuttings are of transplant size

16x20x2 Pleated MERV 14 Air Filters 12 Pack PH/EC/TDS Meters and Solutions 3 GPH per stakeNordic 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.