Mach Rings.
Thick centre, creating more tension than the PTV Ultimate Rings. Designed for Pos-T-Vac Ring Loading System. May be used with the ErecAid Systems – manual loading only. Do not use with the ErecAid Ring Loading device. Stretch onto cylinder with fingers and thumbs.
PTV Mach #6 – Medium 8.8mm (.347′).

 PosTVac BOS3000 (PTV System)
PosTVac BOS3000 (PTV System) 							 ErecAid Classic Vacuum Conduit
ErecAid Classic Vacuum Conduit 							 ErecAid Cylinder Insert - Small
ErecAid Cylinder Insert - Small 							 
		
 
			 
				
 
				
 
				
 
				
 
				 
				 
				