Liquidtight flexible steel conduit provides the safest possible protection for extremely wet and oily locations. Spiral wound, squarelocked flexible galvanized steel core covered with PVC. Sunlight-resistant. Sizes are printed on extruded cover with foot marks to make measuring easy. UL listed. CSA (Canadian Standards Association) approved. No. 55082621: Conduit Type: Flexible, Diameter: 1/2″, Coil Length: 25′, Minimum Internal Diameter: 0.500″, Maximum Internal Diameter: 0.622″, Minimum External Diameter: 0.820″, Maximum External Diameter: 0.840″, UL Listed: Yes, Pkg Qty: 1, Package Type: Box No. 55082622: Conduit Type: Flexible, Diameter: 1/2″, Coil Length: 50′, Minimum Internal Diameter: 0.500″, Maximum Internal Diameter: 0.622″, Minimum External Diameter: 0.820″, Maximum External Diameter: 0.840″, UL Listed: Yes, Pkg Qty: 1, Package Type: Box No. 55082721: Conduit Type: Flexible, Diameter: 3/4″, Coil Length: 25′, Minimum Internal Diameter: 0.750″, Maximum Internal Diameter: 0.820″, Minimum External Diameter: 1.030″, Maximum External Diameter: 1.050″, UL Listed: Yes, Pkg Qty: 1, Package Type: Box No. 55082722: Conduit Type: Flexible, Diameter: 3/4″, Coil Length: 50′, Minimum Internal Diameter: 0.750″, Maximum Internal Diameter: 0.820″, Minimum External Diameter: 1.030″, Maximum External Diameter: 1.050″, UL Listed: Yes, Pkg Qty: 1, Package Type: Box