16x28x6 Aprilaire Space-Gard 2400 Replacement Part 401 MERV 12 Air Filters 1 Pack Plant Care/Pest & Disease Control Simple push button pH calibration

Simple push button pH calibration

In addition to its horticultural uses

Fits (1) 10"x20" propagation tray

Power Flower contains silicate for increased hardiness

16x28x6 Aprilaire Space-Gard 2400 Replacement Part 401 MERV 12 Air Filters 1 Pack Plant Care/Pest & Disease Control Simple push button pH calibrationNordic Pure 16x28x6 Aprilaire Space Gard 2400 Replacement Air Filters Part 401 MERV 12 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your workspace or office. Each time air passes through a Nordic Pure Pleated ASG replacement furnace filter, lint, household dust, pollen, dust mites, pet dander, bacteria, mold spores and other contaminants are removed. All Nordic Pure pleated air