Spring, Conical, .255/.295 O.D., to fit A-dec® Air Valve; Pkg of 10
3/8" Poly x 3/8" Compression Tube Union
HP Quad-Block Diaphragm
$3.80
HP Quad-Block Diaphragm
Consistent flow control for handpiece pressure adjustments
Higher output due to improved airflow
Longer lasting diaphragm
No internal cross-over of air or water