Product Details: 

• O-Ring RC122 Flange, Outside
• Made by UDOR
• Part # 1101.D1 
• Replacement Part for the Following Pump Model #s: DELTA-75, KAPPA-33/43/53, KAPPA-55, KAPPA-75, KAPPA-100, RO-110, RO-110/C, RO-130/C, ZETA-85, and ZETA-100
• Replacement Part for the Following Gear Reducer Model #s: 5119.H2, 5119.H3, 5038.C2, and 5120.H2
• 1 Part Required per Unit