21_1/2x23_3/8x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Amendment Spray distance with water base

Spray distance with water base (horizontal)²: 2 metres (39

There are two pockets in the top of the case especially made for meter probes

Each tag lasts 15 days

vibrant blooms and is ideal for roses

21_1/2x23_3/8x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Amendment Spray distance with water baseNordic 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