12x24x4 (3 5/8) Pleated MERV 13 Air Filters 6 Pack Travel Bags & Backpacks This small diameter probe is

This small diameter probe is ideal for many applications including those that require in situ DO measurement such as in a wine bottle

Try the Hydro Pack

CO2 Drilled Tubing

and watermelon

12x24x4 (3 5/8) Pleated MERV 13 Air Filters 6 Pack Travel Bags & Backpacks This small diameter probe isNordic Pure 12x24x4 Pleated Air Filters MERV 13 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, smoke particles, smog, virus carriers, bacteria, mold spores and other contaminants are removed. All Nordic Pure pleated air filters are manufactured using a