15x18x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack additives A non-ionic surfactant or spreader-sticker

A non-ionic surfactant or spreader-sticker is recommended to improve coverage and adhesion

phosphorus and micronutrients

reservoir drain outlet

Air-Pot benefits:

This commercial-grade system allows you to choose multiple hanging configurations to meet your garden’s design

15x18x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack additives A non-ionic surfactant or spreader-stickerNordic Pure Custom MERV 14 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