350556 * 3-1/8″ EIA Field Flange (unflanged adapter), No Solder Required, w/ Line Clamp & Hardware Kit

350556 * 3-1/8″ EIA Field Flange (unflanged adapter), No Solder Required, w/ Line Clamp & Hardware Kit

350551 * 3-1/8″ EIA Flange, w/ Silver Solder Preformed Ring, Hardware Kit & O-Ring

350559A * 3-1/8″ EIA Swivel Field Flange, Soft Solder, Not Tinned, w/ Hardware Kit & O-Ring