Pole Diameter: 19mm
heat and harsh chemicals while producing cooler water temperatures to enhance plant growth
this naturally occurring bacterium goes straight to the plant's roots
Small amounts of micro-particles are occasionally visible in some conditions but will not affect mineral balance or system compatibility
an electronic ignition with dual redundant solenoid valves
15x20x2 Pleated MERV 13 Air Filters 12 Pack X Nutrients Grow Spray 1 Gal Pole Diameter: 19mmNordic Pure MERV 13 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 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200