1/8" (3mm) ID; 1/4" (6mm) OD; 25 foot (7.62 meter) roll. Constructed of plasticized PVC for soft flexible tubing. To be used for non/pressurized venting and overflow lines. Can be used with all types gasoline or alcohol type fuels. Flexible down to 0° F (17.8°C) and can be used up to +222° F (105.5°C) dry heat. Note: Not for use on fuel injected models.