2 Pcs Silicone Rubber Plug Stopper With Hole Airlock Bubbler Valve Wine Brew

2 Pcs x Silicone Plug Rubber Stopper With Hole Airlock Valve Bubbler Wine Brew. This silicone plug is different from the general foam silicone plug, is a real food grade silicone plug, translucent, elastic, temperature resistance range from -60 ℃ to 250 ℃.

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