McCally Tools JC-5216 Squeeze Bulb

The McCally Tools JC-5216 Squeeze-Bulb is a high-quality hand-operated rubber bulb for precise pressure control in HVAC systems. This is used mainly in manometers draft gauges and other pressure measurement instruments to create controlled air pressure for accurate readings by HVAC system technicians. This is a flexible, durable design that makes it easy to operate and is suitable for testing furnaces boilers and ventilation systems. This provides efficient, reliable and efficient air pressure without external power. It is an ergonomic design which makes it comfortable for the user and its compact size makes it portable and easy to store.