"Guofeng" pipe clips(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-/-1/2, 2, 2-1/2, 3, 4, 5, 6.