Air filter system

Details Air filter system Air filter system

1998-07-15

2000-06-20

Smith, Duane S.

Gas separation: apparatus

With means to add fragrance or scent

96419, 96424, B01D 4644

Patent

active

060773367

ABSTRACT:
An air filter system that includes a mechanism for notifying a user when a proper filter replacement period had elapsed that further includes a scenting mechanism for scenting the air flowing through the filter system with a pleasant odor. The air filter system includes a scent impregnated filter element held within a filter element frame provided with a user notification system and multiple scent impregnated strips.

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patent: 5772732 (1998-06-01), James et al.
patent: 5817168 (1998-10-01), Wheless

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