For use as a pre-filter for high efficient final filters, as a stand alone primary filter, or as a recognized solution to indoor air quality concerns, the Airflow Products Series M11 is the filter of choice by HVAC professionals worldwide. Moisture Resistant - Inherent hydrophobic characteristics of synthetic media.
The Gulf Stream is a powerful current in the Atlantic Ocean. It starts in the Gulf of Mexico and flows into the Atlantic at the tip of Florida, accelerating along the eastern coastlines of the United States and Newfoundland.
The Gulf Stream is a powerful western boundary current in the North Atlantic Ocean that strongly influences the climate of the East Coast of the United States and many Western European countries. Click the image for a larger view.