RCD1 Reducing Coupling with Steel Ring

1-1/2″ x 1-1/4″ (40 mm x 32 mm), 2″ x 1-1/2″ (50 mm x 40 mm), 2-1/2″ x 1-1/4″ (65 mm x 32 mm), 2-1/2″ x 1-1/2″ (65 mm x 40 mm), 2-1/2″ x 2″ (65 mm x 50 mm), 3″ x 2″ (80 mm x 50 mm), 3″ x 2-1/2″ (80 mm x 65 mm), 4″ x 2″ (100 mm x 65 mm), 4″ x 2-1/2″ (100 mm x 65 mm), 4″ x 3″ (100 mm x 80 mm), 6″ x 4″ (150 mm x 100 mm), 8″ x 6″ (200 mm x 150 mm)