14x20x1 Pleated MERV 13 Air Filters 12 Pack shoe-cover pH Accuracy: ±0

pH Accuracy: ±0

Specialized electrode for spot checking the pH of soil and soil slurries

5 lbs 36½” x 17½” x 6½” 11 lbs 1

the most powerful glue traps on the market today

butterflies and other beneficial insects since they are not actively feeding on the plant

14x20x1 Pleated MERV 13 Air Filters 12 Pack shoe-cover pH Accuracy: ±0Nordic 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