Product Name:Corrugated Wire TubingTube Inner Diameter:8mm / 0.3 inchTube Outer Diameter:11mm/ 0.43 inchLength ( approx.):7m/275.59 inchMaterial:PVCthe temperature is 105 degreesVery flexible - Perfect compatible with working in confined areas.Reduces the number of required fittings and permits the installer/user to make smooth, tight turns.PVC tube with raised exterior PVC helix compatible with strength and flexibility.Coils easily compatible with storage and transportation.Mildew, sun, ozone (UV) and chemical resistant.Smooth inside - permits unrestricted flow, reducing operating costs.Designed compatible with use with barbed or insert fittings and appropriate clamps.Crush and impact resistant.Replaces rigid pipe compatible with plumbing in these and other applications, such as Water gardens, Koi ponds,Waterfalls Sterilizers and filters,Fountains, Statuary, Drains,Aquariums and fish hatcheries,Irrigation,Gardening and light farming.Color:BlackWeight:218gPackage:2 x Corrugated Wire TubingOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.