15x30_3/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Water Heaters Chillers Each frock is individually packaged

Each frock is individually packaged and gamma-irradiated (sterilized) to a 10⁻⁶ sterility assurance level (SAL) to prevent workplace contamination and cross-contamination of products or materials

clean processed frocks offer the perfect balance of safety and comfort

2 pH Accuracy

Great for at work or to show off plants at home

No synthetic chemicals – glyphosate-free

15x30_3/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Water Heaters Chillers Each frock is individually packagedNordic 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