ข้องอฝังผนังพร้อมเกลียว 30 mm.
(Elbow for Hollow Wall with Counter set - Thread 30 mm.)

Code	Size mm.
G8093gB-16.1/2.3/4	D16-1/2-3/4
G8093gB-20.1/2.3/4	D20-1/2-3/4