The 4-20 mA output can be configured for PID control
5-inch Stainless Steel Blade
Model number nomenclature is further specified as follows: 5XY: X = 1 (120 Volts) or 2 (230 Volts) Y = E (E-tubes) or F (F-tubes) For example
The nutrient solution should be kept at 5
Not tall enough for you
8x14x1 Exact MERV 14 AC Furnace Filters 12 Pack water-filtration The 4-20 mA output canNordic 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.