The Mares high-pressure seat removal tool is used to remove the high-pressure seat of the diaphragm first stage such as the MR22 and MR12.
 
Stick the stainless steel part inside an open low-pressure opening and push it slowly against the high-pressure seat till it pops out.
 
The Mares high-pressure seat removal tool is precision machined from white acetal with stainless steel tip.
 
GTIN: 08720865017648