Pre-Filter
FurnaceFilters.com MERV 7 HVAC & Paint Ring Panel Filter-12 or 24 pk.
$49.99Last catalog price, November 2009
Catalog description
FurnaceFilters.com MERV 7 HVAC & Paint Ring Panel Filter-12 or 24 pk., part number QFI108, is a discontinued product from the 2007–2011 catalog. It was last listed at $49.99.
The FurnaceFilters.com MERV 7 HVAC & Paint Ring Panel Filter contains specialized media and filter designs which optimize particulate filtration airflow increase and maximize energy utilization in each application.
FurnaceFilters.com MERV 7 HVAC & Paint Ring Panel Filters are constructed from tow layers of 100% synthetic polyester media thermally sealed around a .148 inch galvanized wire. A support wire and radial bonds in the center of the panel keeping the media from sagging and fluttering to prevent dust migration. A one inch overlap of media around the support wire ensures a positive seal and no dust bypass. Each layer of media has multiple fiber deniers (fiber diameter) which graduate from coarse to fine for maximum dust loading and efficiency. A latex resin dry tackifier is added on the downstream side as an added dust migration prevention.