16x27x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_hrg User controllable tumbler speed

User controllable tumbler speed

Bluelab Pro Controller automated pH and nutrient controller gives you full control of reservoir pH

Super Nitro Bat Guano is fast acting and is so powerful it should be used carefully and sparingly

The Centurion Quantanium dry tumbler processes material when it's dry rather than wet

16x27x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_hrg User controllable tumbler speedNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.