16_3/8x21_3/8x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack water-filtration Nordic Pure 16x28x6 Aprilaire Space-Gard

Nordic Pure 16x28x6 Aprilaire Space-Gard 2400 Replacement Air Filters Part 401 MERV 13 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your workspace or office

Measure 0-14 pH

• Once clock to stock—replaces up to 100 mechanical timers

Harlequin Bugs

or as frequently as every watering

16_3/8x21_3/8x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack water-filtration Nordic Pure 16x28x6 Aprilaire Space-GardNordic Pure Custom MERV 7 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