23_1/4x29_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack air-purification SNS PC’s natural anionic surfactant

SNS PC’s natural anionic surfactant and detergent properties disrupt insect cell structure and respiratory membranes

51 per bag to list price

75" frame fit easily in tight spaces without overheating

What pests do these nematodes control

23_1/4x29_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack air-purification SNS PC’s natural anionic surfactantNordic Pure Custom MERV 14 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