• Fits Racor 500 / 900 / 1000 Diesel Fuel Filters
• ⁹⁄₁₆ " - 18 thread
• ³⁄₄ " Diameter shaft (18 mm)
• 3.25" Width at T-handle (82 mm)
• Made from # 360 Brass
• Only 2.5" (63 mm) higher than standard T-Handle

NOTE: (If you can remove the filter the R2D2 will fit)

• 1/8" National Pipe Tread (N.P.T.) (Adaptable to any thread diameter)
• 1.25" Diameter at top (32 mm)
• 3.0" length with thread (75 mm)

• Gauge Calibration : (Vacuum / "Suction" measured in inches of mercury Hg)
• Green Zone 0" to 8.5 " Hg (0 to 34 kPa)
• Red Zone 10 " Hg (41 kPa)
• 5% more accurate than a liquid needle vacuum gauge
• Fluid free
• Indicator locks in position without constant vacuum
• Instant Push button reset
• Made from chemical resistant nylon
• Simple and Accurate
• Built for Years of dependable service
• 1 Year Warranty

NOTE: Most Diesel Engines begin to have running problems when Vacuum / "Suction" levels reach 15" Hg (Monitor Filter when Yellow diaphragm is in the middle of the Green area and Change Filter when indicator is at the bottom of Green area @ 8.5 " Hg)