Made especially for Vornado air cleaners HEPA replacement filter for Vornado AQS25 & AQS35 air cleaners Removes 99.97% of airborne irritants that pass through the filter including pollen, dust, mold spores, pet dander, smoke, odors and more Average Filter Life: 2-4 Years with Regular Use Perfectly fits McCulloch Steam models MC1375; MC1385