6x16x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack X Nutrients Grow Spray 1 Gal and proteins to keep the

and proteins to keep the root zone strong and pathogen-free

330mm/13-inch

but features a slightly slimmer

Zenport LPG15 Zen-Tek Instruments liquid glycerin filled 15 PSI pressure gauge is an excellent choice for vibrating environments

Pack of 10

6x16x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack X Nutrients Grow Spray 1 Gal and proteins to keep theNordic 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