Amazon.com: Replacement Blood Pressure Bulb & Air Release Valve by CORPS LEGACY - Premium BP Bulb for Manual Inflation of Sphygmomanometer - Works with BP Cuff and Cervical Inflatable Devices (Latex, Black) :
Double Valve Bulbs
Blood Pressure Cuff Bulb & Valve Assembly - In His Hands Birth Supply
Bulbs & Valves | Parts | United States
Amazon.com: Lamoutor 3Pcs Blood Pressure Latex Bulb Replacement Inflation Bulb Pump Hand Squeeze Sphygmomanometer Bulb with Air Release Valve : Health & Household