Narrow Mouth Ground GlassStoppered Bottles Amber 250mL Stopper Size: 19/26. Protects light-sensitive samples during storage. Wheaton 500 borosilicate glass (meets USP Type I standards). New Ground Glass Stoppered Bottles feature a no-drip pour lip for easy pouring of contents.
Narrow Mouth Ground GlassStoppered Bottles Amber 250mL Stopper Size: 19/26. Protects light-sensitive samples during storage. Wheaton 500 borosilicate glass (meets USP Type I standards). New Ground Glass Stoppered Bottles feature a no-drip pour lip for easy pouring of contents.