8x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack dupe up to 4-6x stronger than

up to 4-6x stronger than Advanced Nutrients

larvae and eggs on aphids (Aphidoidea)

Pollen Tray - FDA compliant plastic for use in food processing

Reverse Osmosis Water- 67

The smooth interior also aids in noise reduction

8x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack dupe up to 4-6x stronger thanNordic 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