20x20x1 Pleated MERV 14 Air Filters 12 Pack Controller Probe cleaning and correctly storing

Probe cleaning and correctly storing pH probes ensures you get the most accurate readings possible and will maximize the life of a probe

The Autopilot PPM-5 CO2 Controller is a simple and affordable way to control your CO2 injection device

The fan uses a PWM-controlled EC motor that allows it to run efficiently and quietly at a maximum of 62 dBA

Green Lacewing Eggs on Hanging Cards allow for easy and even release of lacewing eggs throughout the growing area

The CenturionPro® Tabletop Pro is the smallest

20x20x1 Pleated MERV 14 Air Filters 12 Pack Controller Probe cleaning and correctly storingNordic Pure MERV 14 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.