16x25x1 Pleated Air Filters MERV 13 Plus Carbon 3 Pack garden-accessories Rinse the probe after use

Rinse the probe after use in fresh water and clean once a month to ensure the Commercial Truncheon Nutrient Meter remains accurate

and extremely short internodal spacing

splashing and dealing with harsh liquid pH adjusters

Add a bulb of your choice (sold separately)

Preventative - 0

16x25x1 Pleated Air Filters MERV 13 Plus Carbon 3 Pack garden-accessories Rinse the probe after useNordic Pure 16x25x1 MERV 13 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts 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