Sigma Stem Extension and All-Thread Tube Kit 20 Point (18.30.897)
Sigma Stem Extension and All Thread Tube Kit 16 Point (18.30.896)
Sigma Stem Extension Kit 16 Point 18.30.049
Sigma Stem Extension Kit 20 Point 78.30.049
Sigma Lever Stem Assembly 18.30.248
Sigma Volume Control Stem 20 Point 78.01.011
Sigma Handle Stem Assembly 18.30.249
Sigma 1/2"x2.5" All-Thread Tube and 3-5/8" Stem Extension 16 Point
Sigma Brass Stem and All-thread 20 Point 18.30.119
Sigma Brass Stem and All-thread 20 Point 18.30.123
Sigma Thermostatic Extension Set (1-1/2" Threaded Tube and 2-1/4" Square Tube) 18.12.060
Sigma Brass Stem and All-thread 16 Point 18.30.122
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