Plyco's original design, primarily developed for modified open-front hog confinement units and other buildings which are not fully insulated. A special unit (ED Series) which is adaptable to both masonry and frame construction has become popular as a back-vent on low profile buildings.

S-7220 - Non-Insulated Wall Vent

• Frame: .055 Extruded aluminum, mill finish miter and welded corners - self-flashing on profiled sidings up to 1-1/8" 
• Panel: 1" x 1-1/4" thick extruded aluminum. Mill finish, with glazed translucent fiberglass
• Adjuster & Pull: Identical to adjusters described for use with top-hinged insulated series