Adjust-A-Flow
Muffler 
Male Connection
Model
EDP Number
(Order Code)
Pipe Size
Thread
PDF Drawing
C18
0156018
1/8"
NPT
0156XXX.PDF
C28
0156028
1/4"
NPT
0156XXX.PDF
C38
0156038
3/8"
NPT
0156XXX.PDF
C48
0156048
1/2"
NPT
0156XXX.PDF
C68
0156068
3/4"
NPT
0156XXX.PDF
C88
0156088
 1"
NPT
0156XXX.PDF
C18
0559018
1/8" 
BSPT
0559XXX.PDF
C28
0559028
1/4" 
BSPT
0559XXX.PDF
C38
0559038
3/8"
BSPT
0559XXX.PDF
C48
0559048
1/2"
BSPT
0559XXX.PDF
C68
0559068
3/4"
BSPT
0559XXX.PDF
C88
0559088
1"
BSPT
0559XXX.PDF