21x22x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Odor Control HI710023 is an orange shockproof

HI710023 is an orange shockproof rubber boot designed to protect your Hanna instrument and provide easier handling

Use Clearex to correct the most common cause of crop failure—the buildup of nutrient salt deposits in soils or soilless grow media

The CO2 PPM Controller by LTL Controls is a simple and affordable way to control your CO2 injection device

It is ideal for use in propagation to control common diseases like damping off

Air Pressure: Max 25 mm WG (2500 Pa or 10" WG)

21x22x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Odor Control HI710023 is an orange shockproofNordic 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.