COMPATIBLE WITH: S1, S2, 9S, 9+ SPECTRA PUMPS 
 
Contains: 1 flange, 1 white valve, 1 backflow protector set (may be screw type or lid type), 1 bottle with locking ring and disc, 1 piece tubing
Does not contain the t-connector and short tubing
 
*Nipples are not included.