Aperture area: 5 x 7.5cm (2 x 3 in)
from Beaver-Visitec International for BD Visidrape™ Outpatient Surgery Drapes - Embossed Plastic Aperture
BD Visidrape™ Outpatient Surgery Drapes - Non-Woven Aperture from Beaver-Visitec International
BD Visiflex™ Incise Drapes from Beaver-Visitec International