12x20x1 Pleated MERV 13 Air Filters 3 Pack veg nutrients nutrient (measured in conductivity) and

nutrient (measured in conductivity) and temperature directly in the root zone without the need for pour-throughs

5" rubber reducer with clamps included

No Fillers are used

All SPYDR models are dimmable with our light intensity Dimmer for precise control over PPFD and offer flexibility to instantly accommodate a new crop with varying light requirements

PhysioSpec Greenhouse™

12x20x1 Pleated MERV 13 Air Filters 3 Pack veg nutrients nutrient (measured in conductivity) andNordic 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