All Replacement Parts by Chapman-Huffman in Handpiece Blocks and Accessories

PN 4421
Automatic HP Tri-Block

Tri-Block w/ Std. 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
• Tri-Block dimensions: 2 3/8" x 1 1/2" x 1"

PN 4427
Automatic HP Quin-Block

Quin-Block w/ Std. Adjustment Screws

• Works with normally automatic handpiece holders
• Consistent flow control for handpiece pressure adjustments
• Individual drive air adjustment screws
• Higher output due to improved airflow
• Longer lasting diaphragm
• No internal cross-over of air or water
• Quin-Block dimensions: 3 3/4" x 1 1/2" x 1"