Stopper Pack 2-Hole Rubber One Pound 2-8 ,Each

Details:

Stopper pack 2-hole rubber one pound 2-8^ rubber stopper assortment, 2-hole, one pound, color: black, are made of solid natural rubber that stays pliable over a long period of time, for use with non-aggressive or concentrated solutions, low sulfur content, withstand temperatures from -25 to 70 deg c