22x29x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack complete-systems The 4' Tomato Tower with

The 4' Tomato Tower with support rings is a versitile garden accessory

and here's some science to prove it: Water has a thermal conductivity of 0

Directions for use: Use with every watering during weeks 3-8 of your flowering phase

The amount of water is not critical

9in / I 23cm

22x29x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack complete-systems The 4' Tomato Tower 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