TWCC 256 Pcs Assorted Flat Rubber Washers Plumbing Large Gasket Assortment Kit Hose Gasket Set,for Garden Hose Adapter Water Tank Pipe Splitter Shower

Silicone white: non-toxic, odorless, high temperature resistant, healthy and environmentally friendly, good elasticity, and strong sealing.Nitrile rubber black: high temperature resistance, corrosion resistance, abrasion resistance, good physical properties.