• Valves designed for use with plastic or metal tanks
• Perko's patent pending "In-Pipe ICV" fits inside the pipe itself
• In-pipe ICVs mount inside standard 1-1/2" fill pipes near the connection to the fuel tank
• Eliminates the need to retool existing doghouse on plastic tanks
• Replaces in-line ICVs, eliminating 4 hose clamps & 2 leak points
• Allows for full 18 GPM flow rates