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