20" X 20" X 1" Galvanized Steel Air Filter

20" X 20" X 1" Galvanized Steel Air Filter

(actual dimensions 19.5" X 19.5" X .78")

This sturdy washable filter is designed as a low cost galvanized filter to be used in light industrial, commercial, schools, office buildings, residential and restaurant applications.  These filter are designed for a variety of  purposes, including air handling units of various styles and sizes, air conditioners, heaters, and light grease hood applications where state approved.

FEATURES:

• Resists rusting and corrosion plus retains its shape through numerous cleanings without the use of support rods
• Same patented designs as the more expensive filters, yet costs less
• Six layers of media account for a high efficiency and less clogging of the filter
• The filter can be effectively cleaned with steam or a hot water pressure hose, with or without a mild detergent

CLEANING:
Because the filters is a lighter weight Galvanized Steel filter, it is easy to clean and the filter is more manageable than a heavier filter (especially with handles).  The filter can be effectively cleaned with steam
or a hot water pressure hose, with or without a mild detergent.

CONSTRUCTION:
The filtering element shall be processed from sheet Steel, commercially known as Hot Dip Galvanized, no less than .0157 in thickness, expanded through no less than .020 feed.  The material is expanded in a special pattern of various densities, laid at right angles to each other to allow for the dirty air to continuously change direction, leaving the dirt attached to the expanded material. The filter shall consist of not less than six layers of expanded material.  The frame is made from formed Hot Dip Galvanized Steel, not less than .027 thick. Holes shall be punched on one side of frame to facilitate drainage after cleaning.  Handles available upon request at an additional charge. Filters shall retain 290 grams of dust per 2.25 sq. ft. (20x20 filter). Resistance when clean is 0.05 wg at 350 FPM air velocity.  Maximum resistance at capacity is 0.335 wg.