14x24x1 Pleated MERV 14 Air Filters 3 Pack Grow System/ Trays/ Reservoirs Lumina™ can be tank-mixed with

Lumina™ can be tank-mixed with Tribus® for foliar and root drench applications

Easy to Use The waterproof pH tester comes with a 2 point manual procedure for direct calibration to eliminate the difficult push button system used with other meters in the waterproof range

Dilution Solutions 1 1/2 in Check Valve (CV112)

1 minute on/off increments

Size: 4'x8'

14x24x1 Pleated MERV 14 Air Filters 3 Pack Grow System/ Trays/ Reservoirs Lumina™ can be tank-mixed withNordic 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.