DCI 4428 - Automatic HP Quad-Block, Series 5

Quad-Block, Series 5, Knurled Adjustment Screws

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