Replacement Sight Glass Gasket for Manzel 25D Lubricator

Replacement sight glass gasket for Manzel 25D Lubricator. 1 to 8 Feed

Part Numbers:
1 Feed: 439-071-020, 556721 
2 Feed: 439-071-030, 556722 
3 Feed: 439-071-040, 555741 
4 Feed: 439-071-050, 556723 
5 Feed: 439-071-060, 555742 
6 Feed: 439-071-070, 556724 
7 Feed: 439-071-080, 555743 
8 Feed: 439-071-090, 556725