... Φ320, Φ340, Φ360, Φ450mm, meanwhile, we can also design and manufacture in accordance with the user's need. 3> A ... single root length can be designed ... the hose. Retractility (type G): the hose can be compressed to 1/4 of its longest ... with PVC or CR, and have good performances in sealing, age-resistance, heat resistance and cold resistance ...