Check the listing for details. Labware - 4 female glass stoppers. Condition: New – Open box. Listed at 25.00 USD. 4 glass stoppers with a standard taper joint, commonly used in chemistry labs to seal glassware like flasks and test tubes. Made from high-quality borosilicate glass. Features a standard taper joint size of 55/50.

$17.50
$25.00