All-Purpose Soil Mix controllers Factory Calibrated: Meter is factory

Factory Calibrated: Meter is factory calibration to pH 7

Replacement Tumbler Barrel Bubble Magic 150 gram - 185 micron

MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600

Measuring Ranges 0-1500μm Automatic Shutoff Approx

All-Purpose Soil Mix controllers Factory Calibrated: Meter is factoryPeat Free All Purpose Potting Mix with Ancient Soil Peat free potting soil that actually works. Living organic mix with Ancient Soil, mushroom compost, and sustainable PittMossproven to grow healthier plants while using less water and protecting the environment. 100% Peat Free Sustainable Organic Living Soil Biology Ancient Soil adds billions of beneficial microbes that feed plants naturally, improve nutrient uptake, and protect against disease.