Tuthill FRTCB Fill Rite Fill Cap And Base For 2 Inch Opening
- Relieves dangerous vapor buildup and over expansion/contraction of the tank
- Hole and tab for padlock security
Fuel tank fill caps"fill-rite" 2 inch npt. Pressure cap valve opens at 2-1/2 lbs to reduce pressure, while the vacuum release opens at 1-1/2 ounces when the tank cools.