For SC-SX or LC-DX adapters 

PN: FLOFPN0112xxSXEC

For SC-DX or LC-QD adapters 

PN: FLOFPN0112xxDXEC

 For SC-DX or LC-QD adapters 

PN: FLOFPN0112xxDXSD

 For ST, SC, LC & FC adapters 

PN: FLOFPN0112xxDXES

 For SC-SX or LC-DX adapters 

PN: FLOFPN0112xxSXSD

For ST, SC, LC & FC adapters 

PN: FLOFPN0112xxSXES