Rheodyne 7125i look like below picture:
This Rotor seal is very popular, many OEM part has:
Part number: 7125-047,
Rheodyne, Vespel Rotor Seal for 7125
Part number: 25280 Restek,
7125 Vespel Rotor Seal
This Rotor seal is very popular, many OEM part has:
Part number: 7125-047,
Rheodyne, Vespel Rotor Seal for 7125
Part number: 25280 Restek,
7125 Vespel Rotor Seal