Lifetime Permanent Metal Filters
The Lifetime Expanded Permanent Metal Filter consists of seven layers of expanded Aluminum grid, enclosed in a heavy Aluminum Frame. Designed for applications where a sturdy Aluminum filter is required. Each of the Lifetime Expanded Metal Filters are precision made and thoroughly tested to exceed the test requirement for Federal Specification ASTM F872. Applications include automatic heating, ventilating and air conditioning systems in schools, hospitals, hotels, commercial and industrial buildings.
The frame is formed with an Aluminum Channel, securely connected with heavy rivets. The Filter media consists of no less than 7 layers of Corrugated Aluminum, expanded through specified feeds to assure maximum filtering and internal loading capabilities. These filters will retain 571 grams of dust per 2.25 sq. feet of filter area. The resistance when clean is 0.077 W.G. at 350 FPM air velocity.
The filtering element is processed from Aluminum, no less than 0.025 in thickness expanded to 0.31 strand. The frame is also made from Aluminum at 0.040 thickness, joined with aluminum rivets. The maximum temperature range is 250°F. There are drain holes properly located on 1” and 2” filters allow for proper drainage.
Below is all information pertaining to the Lifetime Permanent Metal Filters:
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