14x18x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack extension Auto-ranging three point calibration with

Auto-ranging three point calibration with digital fine tuning

reduce shrink and grow healthier plants

Nematodes reproduce inside the carcass and continue hunting new pests

1x Slate 2 Triple Predrilled 891mm Heatsink

Green Peach Aphid

14x18x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack extension Auto-ranging three point calibration withNordic 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