6x16x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack X Nutrients Grow Spray 1 Gal The small bag will work

The small bag will work in brewers from 3 gallon up to 10 Gallon

Pack of 10

but features a slightly slimmer

Can even be used to mix the fertilizer solution

Citrus Cutworm

6x16x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack X Nutrients Grow Spray 1 Gal The small bag will workNordic 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