ARB E-Z Tire Deflator Kit With PSI Gauge Model ARB505ARB E Z Tire Deflator Kit With PSI Gauge Model ARB505 The unique, patented design of the E Z deflator allows for removal of the valve core for rapid tire deflation, while also providing accurate pressure reading via the simple movement of a sliding valve. Corrosion Resistant Brass Stainless Deflator Tool. Quality bronze bourdon tube gauge design ensures accuracy and is not affected by changes in temperature, humidity or altitude. Fully geared, solid