For sale is a ULTRAFILTER COMPRESSED AIR FILTER AG-0192 S Filter type: AG0192S MAX pres: 16 bar Filter element type: SS 30/30 Volume: 11.5 L Max temp: 120 C NPT: 191mm - outside, 77mm inside, There are 4 holes: 20mm each (151mm between centres). Also there are 2 protrusions (see pictures) 40mm x 10 mm each.