18x28x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Monterey Lawn & Garden Products Diseases such as Rust and

Diseases such as Rust and Powdery Mildew

Removes requirement to rotate plants

Excellent choice for Integrated Pest Management (IPM) programs

APCECOTH Greenhouse Master Controller Replacement Probe

Leafminer (Phyllocnistis sp)

18x28x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Monterey Lawn & Garden Products Diseases such as Rust andNordic 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