ULPA filters has an efficiency of 99.999% at 0.1 to 0.3 microns provide superior ISO Class 3 breath cleanliness. It is 100 times better than other competing products. Key Benefits - Esco ISOCIDE antimicrobial coating is done on all painted surfaces. This minimizes contamination. - One piece work zone liner without any crevices is easy to clean. - Safe change cuff rings permits the changes in gloves without any risk of contaminating the work zone or pharmacy environment. - Ergonomically angled front and oval gloveports is surrounded by Unique Esco Dynamic Chamber plenum. This improves the reach and comfort. - Negative pressure plenums at the sides and back surrounds the work zone. -It has a robust dual wall construction. - It maintains operator protection in case of a breach in the barrier isolation system. - Negative pressure to the room are work zone and pass thru.