SKU X02-08-002 - Precision Tire Inflator with 40 PSI gauge - $190.00 SKU X02-08-005 - Precision Tire Inflator with 90 PSI gauge - $190.00 SKU X02-08-007 - Precision Tire Inflator without gauge - $130.00 (Precision Pressure Gauge can be adapted to the Precision Tire Inflator - If you already purchased the PPG you can purchase this SKU and adapt your PPG to the Inflator) The Apex Precision Tire Inflator provides precise tire fill and pressure read outs every time with accuracy you can count on. 0-40PSI Inflator - Designed with accuracy in mind for lower off-road pressures. This inflator and gauge is optimized to be extremely accurate between 0 and 40PSI. It offers a large gauge face that is very legible for fine tuning off-road pressures. Best used with C and D load range tires. 0-90PSI Inflator - This is the inflator and gauge you want for your tow vehicle and trailers. It was designed to be extremely accurate for pressure above 40PSI. Best used with D and E load range tires. PERFORMANCE: +/- .5 PSI accuracy and .05 PSI repeatability  -30 to 175F use range FEATURES: Includes billet aluminum snap mount Fluid filled to resist shock and vibration typical in off-road use  Stainless Steel Construction Hard coated 6061-T6 Aluminum Numbers and needles are phosphorescent (glow in the dark) Swivel joint (connects to Apex 3/8 Nylon Braided Air Line) Easy to read ON/OFF slide gate Atmospheric vent to equalize pressure & compensate for elevation change Hose may be trimmed shorter or lengthened by purchasing longer hose. (sold separately) - Click here to purchase 1/4 NPT Male hose fitting include (is compatible with a variety of different chucks)