Strict Testing, Layers of Screening, High Concentricity, Winter Will Not Be Hardened Because of the Cold. Material：Latex. Natural Quality Latex, Smooth Colour and Lustre, Translucent. Size(ID OD)：2 4mm 2 5mm 3 5mm 3 6mm 3 8mm 3 9mm 3 10mm 4 6mm 4 8mm 4 11mm 5 7mm 5 8mm 5 10mm 5 15mm 6 9mm 6 10mm 6 11mm 6 12mm 7 10mm 7 11mm 8 10mm 8 12mm 8 14mm 8 18mm 9 12mm 10 14mm 10 15mm 10 16mm 10 20mm 12 17mm 13 21mm 14 18mm 15 20mm 20 26mm 25 29mm.
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