22x23x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack stocked depending on the usage rate

depending on the usage rate

• TIP OVER switch shuts off gas source if the unit falls or tips over

delivering powerful air purification with minimal impact on your energy bill

Microbes Grow Stage Grow Stage MICROBES are a specific group of Beneficial Bacteria and Fungi formulated specially for the Grow / Vegetative Stage of plants

22x23x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack stocked depending on the usage rateNordic 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