... (clamps) is applies in many kinds of plastic pipes. "Guofeng" pipe clips(clamps) is applies in many kinds of plastic pipes ... , there are two types of pipe clips,ordinary pipe clips and enhanced pipe clips.Ordinary pipe clips(mm): Φ20, Φ25, Φ32, Φ40 ... , Φ50, Φ63, Φ75, Φ90, Φ110, Φ160, Φ200.Enhanced pipe clips(Inch): 1/2, 3/4, 1, 1-1/4 ... -/-1/2, 2, 2-1/2, 3, 4, 5, 6. Pipe clamp