Advantages: 1) High premium virgin PVC material 2) 4mm THICK silicon seal gasket 3) Non-toxic4) Corrosion Resistant5) Lower Installation Costs: Light weight and ease of installation6) Temperature Range: 40 to 140 Degrees F7) Max Pressure: 150PSI8) Requires 1 3/8" hole saw or spade bit9) Color: Gray10) 3/4" FEMALE NPT (Threaded from the FRONT END ONLY but may be installed on the back end of the bullkhead with another MIPT, but not recommended)***ALSO AVAILABLE IN VALUE PACK OF 3 BULKHEADS SOLD AS A SET**