23x25x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack dupe Can be used for soaking

Can be used for soaking seeds and bulbs before planting

Specialized electrode for spot checking the pH of soil and soil slurries

It's better for the environment

Capacity - 20L / ~5G / 676

cockroaches

23x25x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack dupe Can be used for soakingNordic 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