21_1/2x23_3/8x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack light-movers-hangers wait 24 hours for reapplication

wait 24 hours for reapplication

Larger flat blade 2-inch capcity cutting head for easy tree and shrub pruning

• Top Dressing Throughout Growing Season

enabling plants to capture more light and potentially increase growth

21_1/2x23_3/8x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack light-movers-hangers wait 24 hours for reapplicationNordic 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