12x25x1 Pleated MERV 8 Air Filters 12 Pack grow-systems-trays-reservoirs Use Clearex to correct the

Use Clearex to correct the most common cause of crop failure—the buildup of nutrient salt deposits in soils or soilless grow media

We also carry these with handles

pH Range: 0-14

nicotianae

This unbalance inhibits spore germination and mycelium growth and will

12x25x1 Pleated MERV 8 Air Filters 12 Pack grow-systems-trays-reservoirs Use Clearex to correct theNordic Pure MERV 8 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 and other contaminants are removed. MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters