15x30_3/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack pots - Grey 45gal - 27inW

- Grey 45gal - 27inW x 18inH

single junction pH electrode with a DIN connector that is compatible with the HI9814 Groline portable pH/EC/TDS meter

Packing: 5 units per case

Leaf Green can be applied directly to the plants

How often does the filter need to be cleaned

15x30_3/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack pots - Grey 45gal - 27inWNordic 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