1 case consists of 24 ring panels.

This is a high quality HEPA hospital-grade filter for cleaning even the finest particulate out of the air in conjunction with a negative air machine. Our HEPA filters are individually tested before they leave the factory - your assurance that it meets rated efficiency. They are factory scanned to assure that there are no pinhole leaks. Our media is tested to maintain the highest standards and peformance, including efficiency, thickness, tensile strength, water repellancy, resistance, weight, and binder content. We use a proprietary static scan test with a challenge aeosol of non-toxic, polyfunctional alcohol that leaves no residue on the media, as well as a PAO test and a laser spectrometer test to ensure maximum efficiency and standards.

This filter will fit: