Compare Quick view Hydro Air HYDRO AIR | Oring, AIR STEM, 1" | 10-218 MSRP: Was: Now: $1.47 HYDRO AIR | Oring, AIR STEM, 1" | 10-218 INSIDE DIAMETER: 1-1/4" OUTSIDE DIAMETER: 1-1/2" CORD THICKNESS: 1/8" Add to Cart Add to Cart