ZDS Qube Mask Set of 3: Rodent
Mask (#8414) 25mm (1") OD tapered & 2 diaphragms: 12mm (1/2") aperture Mask (#8415) 20mm (3/4") OD tapered & 2 diaphragms: 8mm (5/16") aperture Mask (#8416) 20mm (3/4") OD Offset & 2 diaphragms: 8mm(5/16") aperture, Mask (#8413) 40mm (1 1/2") OD offset & diaphragm: 20mm (3/4") aperture & ET Tube adaptor (#8420)