Automatic HP Quad-Block, Series 5 - DCI 4428

Quad-Block, Series 5, Knurled Adjustment Screws

• Works with normally closed automatic handpiece holders
• Consistent flow control for handpiece pressure adjustments
• Higher output due to improved airflow
• Longer lasting diaphragm
• No internal cross-over of air or water
• Quad-Block dimensions, 3 1/8" x 1 1/2" x 1"