6x20x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Pots and Containers This ready-to-use spray is formulated

This ready-to-use spray is formulated with naturally occurring enzymes and no animal products or by-products

132 x PotPro™ | 8" Tall (2 Gallon)

one or two points Temperature Compensation automatic from 0 to 50°C (32 to 122°F) Battery Type/Life CR2032 3V Li-Ion (1 pc

Prevents and remedies calcium and magnesium deficiencies

6x20x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Pots and Containers This ready-to-use spray is formulatedNordic Pure Custom MERV 13 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