Adapter PG11x3/8 NPT, thread length 6
Adapter PG11x1/2 NPT, thread length 6.5
Adapter PG16x1/2 NPT, thread length 6.5
Adapter PG21x3/4 NPT, thread length 7
Adapter PG29X1 NPT, thread length 8
Adapter PG36x1 1/4 NPT, thread length 9