14_1/2x19x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack eligible-for-discount Runs HPS bulbs only

Runs HPS bulbs only

pools & spas

Leafy & Brassica (Cole) Vegetables

Seaweed extracts have shown to improve root development

The beneficial nematodes will continue to reproduce inside their host after death and emerge ready to infect other hosts

14_1/2x19x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack eligible-for-discount Runs HPS bulbs onlyNordic Pure Custom MERV 12 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition