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Practical Pleat 5" thick pleated filters are designed to replace your 1" return grille filter, with no modifications to the grille required. Simply remove your old filter, and slide the Practical Pleat into place!
The Practical Pleat has 433% greater surface area than typical 1" pleated filters. This has several benefits:
Low Pressure Drop
The Practical Pleat's large surface area means low resistance to airflow, and low pressure drop when the fan motor starts and runs
Each Practical Pleat lasts up to 6 operating months
Low resistance to airflow means less strain on the fan motor and less energy usage
Reduces Air Noise
Low airflow resistance can quiet noise at the air intake
28XIncreased Filtering Efficiency
Removes smaller particles from the air than standard fiberglass and lower MERV rated filters, while providing greater airflow at the same time
Eliminates Filter Bypass
Gasket provides a seal between the filter and grille frame, preventing dust from bypassing the filter
Particle sizes filtered per cycle by the MERV 11 Practical Pleat: