12x24x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 2 Pack Grow System/ Trays/ Reservoirs The blue-green balance supports healthy

The blue-green balance supports healthy plant morphology and enables an improved working environment and improved visual inspection for growers

Hanna Instruments' testing solution

Engineered for science

Stealth-RO150™ with upgraded KDF 85 filter

12x24x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 2 Pack Grow System/ Trays/ Reservoirs The blue-green balance supports healthyNordic Pure 12x24x4 MERV 13 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon material while