{HEAD ~ Various embodiments} of a cartridge for regulating a fluid flow are described that include {TAIL ~ an upper housing}, and an insert that is user removable from the upper housing 
include
{ HEAD ~ Various embodiments } of a cartridge for regulating a fluid flow are described that include { TAIL ~ an upper housing } , and an insert that is user removable from the upper housing
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH