9x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Cone Filler Introduction

Introduction

Oneness (5-9-4) is Humboldt Nutrients own unique blend of plant-based amino and organic acid chelates

It has two pull chains that allow for easy adjustments of speed or direction

OMRI listed for organic use

lawns - any place that burrowers inhabit

9x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Cone Filler IntroductionNordic 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