Series 250 Certified Wet Hardwall Exhaust Hose - HARDWALL EXH 12.5X2-1/2 - Size: 2-1/2" Length: 12-1/2' Hose Clamp Size: 1-1/8"-3" (250-2124)Type certified for wet exhaust service. Heavy wall construction with multiple plies of nylon spiral cord prevents shock, wall collapse, panting and vibration. Resists engine exhaust, high temperatures and ozone. Formulated to withstand operating temperatures of 220F continuous. Wire reinforcement provides additional strength for longer connections with excellent flexibility. Recommended for runs longer than four times the inside diameter of the hose. Color coded with blue strip brand. Meets SAE J2006 standard. Sold in 12-1/2' lengths. Hose clamps sold separately.Size: 2-1/2" Length: 12-1/2' Hose Clamp Size: 1-1/8"-3"