The cartridge 1, wherein {HEAD ~ the first valve} has a first outer 5 mm edge interval having a first average thickness, and {TAIL ~ the second valve} has a second outer 5 mm edge interval having a second average thickness, and wherein the first average thickness is less than 95% of the second average thickness 
The cartridge 1 , wherein { HEAD ~ the first valve } has a first outer 5 mm edge interval having a first average thickness , and { TAIL ~ the second valve } has a second outer 5 mm edge interval having a second average thickness , and wherein the first average thickness is less than 95 % of the second average thickness
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH