Consistent flow control
for handpiece pressure adjustmentsHigher output due to
improved airflow Longer lasting diaphragmNo internal cross-over
of air or water Block dimensions, 1 1/2"
x 1 1/2" x 1" (4382)Block dimensions, 2 3/8"
x 1 1/2" x 1" (4421) Block dimensions, 3 1/8"
x 1 1/2" x 1" (4425) Block dimensions, 3 3/4"
x 1 1/2" x 1" (4427)