12.5x21x0.75 Exact Size Air Filter growing-accessories Refer to the label for

Refer to the label for dosage recommendations

Coating the plant in any oil can suffocate the plant by covering the Stoma openings that the leaf uses to breath

Use with ILUMINAR DE HPS / MH Fixtures

as an insecticide and for virus control

soil and semi-solid samples

12.5x21x0.75 Exact Size Air Filter growing-accessories Refer to the label forNordic Pure Custom MERV 10 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition