24 Jul 250mL/500mL Lab Gas Washing Bottle, Lab Glassware, Drechsel Head, GL45 Mouth New
250mL/500mL Lab Gas Washing Bottle, Glass Buffer Drechsel Head Filter Disc GL45. Screw Cap - Easy to remove, GL45 can be pulled upwards, GL14 can connect 8mm pipes. Screw Cap Material : Plastic (GL45 screw mouth) (-30 ℃~150 ℃)....