Features:

• Measure natural gas (methane) or LP gas pressure across appliance manifolds
• Test gas stoves, furnaces, dryers and other gas appliances. Can also be used for other non-corrosive gases.
  
• Large 2.5 in. diameter diaphragm gauge is calibrated in inches of water column also shows ounces per square inch
  (GPK015 and GPK035 only)
  
• 3/8 in. NPT brass fitting for quick connection to appliance manifold
  
• Magnified lens
  
• Easier to use than a manometer

Specifications:

• GPK035 Range:
  0 to 35 inches of water column (in. H2O)/0 to 20 ounces per square inch (oz./in2)
  
• Dimensions: 2.5 in. gauge, 39 in. rubber tubing
• Weight: 10.2 oz. (285g)

Includes:

• 2.5 in. Diameter Diaphragm Gauge
• 39 in. of Rubber Tubing
• 3/8 in. NPT Brass Fitting
• Hose Clamp
• Molded Hard Case
• Instructions and Warranty