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About Us

Quality you can count on since 1937

General Filters, Inc. founded in 1937, in Detroit Michigan, developed the wool-felt filter element for cleaning home heating oil. The General Brand Fuel Oil Filter allowed residential and commercial oil furnaces to run more effectively and efficiently.

Since then General Filters, Inc. has manufactured a range of fuel oil filters and replacement elements are designed and manufactured to meet the exacting performance requirements of its customers. This is particularly true with today`s highly efficient fuel oil heating systems.

The General Fuel Oil Filter set the industry standard across North America and still today leads the pack for reliability and dependability. General is the brand you have come to trust keeping your home heating equipment running smoothly every year.

In 1948 General Filters, Inc. expanded its operation to include Canada by founding Canadian General Filters Ltd. Today, Canadian General Filters Ltd.manufacturers superior quality oil and air filtration products. It also brings to the Canadian marketplace products made by its sister companies General Filters,Inc., GeneralAire®, and Gar-Ber as well as quality products from Tjernlund power venters, Sootmaster vacuums, and Superior smoke candles.В 

In the 1950`s, General Filters,Inc. diversified into other markets by introducing whole house humidification to the home heating industry. The company expanded its early line to six flow through humidifiers and two plate units. In the early 1980`s the GeneralAire ® humidifier was known for its performance, quality and dependability. It was time to apply those same standards and introduce a high efficiency micro fibre media air cleaner.

In the 1990`s a unique whole house activated charcoal base air purifier was introduced to reduce the effects of the growing problem of indoor air pollution.The third generation of the Redner family leads General Filters, Inc. with the same commitment to manufacture dependable, high performance, premium indoor air quality products, fuel oil filters and accessories.