17x25x1 Exact MERV 14 AC Furnace Filters 6 Pack Garden Accessories The high calcium content of

The high calcium content of Neptune's' Harvest Crab and Lobster Shell reduces the effects of fungal diseases such as blossom end rot and helps plants develop healthy

8°F to 89

Being one of the only natural and dry flower hardeners

Made from BPA Free food safe polypropylene plastic

Suggested Uses: Use to control foliar and soil insects

17x25x1 Exact MERV 14 AC Furnace Filters 6 Pack Garden Accessories The high calcium content ofNordic 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.