HP Tri-Block Diaphragm - DCI 4430 by DCI Original price $3.20 Current price $2.88 SKU DCI4430 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart HP Tri-Block Diaphragm OEM part numbers: Beaverstate Dental 125-016Parts Warehouse R-V1842-5DCI Equipment 70-14649Marus 14649