23_1/2x23_1/2x1 MERV 14 AC Furnace Filters 6 Pack fluorescent-lighting Use 1 – 3 teaspoons

Use 1 – 3 teaspoons (5 – 15 ml) per gallon

Accuracy of +/- 0

2" humidity dome

"We've been running RAY44s as intracanopy lights in our greenhouse for two seasons now

Combine the 633 with other PowerVEG T5's for maximum results

23_1/2x23_1/2x1 MERV 14 AC Furnace Filters 6 Pack fluorescent-lighting Use 1 – 3 teaspoonsNordic 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.