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Protects heating and air conditioning equipment without causing additional strain
Nested construction allows for efficient storage
Each filter lasts up to 30 days
UL Class 2
Pack of 24
Contaminants Captured: Dust/Lint, Pollen
This is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50 years. The filtering medium is continuous filament spun glass. For peak equipment protection and energy efficiency, these filters should be changed monthly.Contaminants Captured: Dust/Lint, Pollen.