Prefilter for the White-Rodgers Electro-Air Super Slim Series 20 x 24 air cleaners. These filters have a flat aluminum frame with an aluminum mesh filter. Measured size of 23-3/4 x 17-1/4 x 1/8. Please measure your prefilter dimensions for accuracy.
One prefilter slides into the cell assembly in the model SS2024 or 16C11Y-410. These prefilters are genuine White-Rodgers.