1.Good design, competitive price, best service. 2.Length: 10", 20", 30", 40" 3.Diameter: OD. 63-115mm; ID. 30mm/28mm; General: Polypropylene, as the raw material, non-poisonou tasteless, is melt-sprayed, extruded, stretched and formed into tube-link core which has the features of pressure-proof, corrosion-resistance, high precision and large flowrate.Specifications:Length: 10", 20", 30", 40" ...