3pcs Glass Erlenmeyer Flask Set, 50ml 150ml 250ml with Stopper, Borosilicate, Narrow Mouth, Printed Graduation

3pcs Glass Erlenmeyer Flask Set, 50ml 150ml 250ml Laboratory Flask with Stopper, Lab Chemistry 3.3 Borosilicate, Narrow Mouth, Printed Graduation, Conical Flask with Cleaning Brush

3pcs Glass Erlenmeyer Flask Set, 50ml 150ml 250ml with Stopper, Borosilicate, Narrow Mouth, Printed Graduation

HUAOU GLASS was founded in 1967, mainly produces laboratory glassware such as glass beakers, erlenmeyer flasks, test tubes, funnels, volumetric flasks and measuring cylinders for your lab testings and experiments. -- Your first choice for chemistry glassware. HUAOU erlenmeyer flasks with frosted glass stoppers are made of 3.3 Borosilicate glass, which has high heat resistance, acid and alkali resistance and good stability. Heavy duty rim, good sealing, wide stable base, smooth surface with fadeless white graduation. Their uniform wall thickness provides the proper balance between mechanical strength and thermal shock resistance. Great for lab, home and school science experiments. Each flask has a matching glass stopper, be sure to note that the stoppers and bottles correspond one to one, the stoppers are not interchangeable, or else they may not seal. The surface of the frosted bottle mouth is smooth and delicate, with the frosted glass sealing stopper provides superior sealing, which is more suitable for the analysis of volatile substances and experiments that cannot use cork or rubber stopper.

Key Features

• ✅ Multiple Sizes: Include 1pc cleaning brush + 3pcs labware flasks in varying capacities. 50ml/1.7oz - 1.96in(50mm) x 3.54in(90mm); 150ml/5oz - 2.75in(70mm) x 4.53in(115mm); 250ml/8.45oz - 3.26in(83mm) x 5.51in(140mm), ensuring you have the right size for any tasks.
• ✅ Premium Material: Type I requirements, Type 1 Class A 3.3 Borosilicate Glass, ASTM Specification E960. Heavy-duty rim, narrow mouth, printed graduation and large label area, erlenmeyer flasks are durability and precision, against corrosive acids and alkalis, ensure accurate measurement and safety performance in experiment.
• ✅ Stable Design: Science glassware flask sets can withstand high temperature, making them suitable for heating on hot plates, flames, ovens, microwaves. Flask kits chemical resistance ensures safe experimentation without the risk of damage.
• ✅ Widely Application: Bottles with lid can be used for professional scientific experiment and school classroom lab, also suitable for food container, candy storage, plant propagation, yeast culture, decanter. Party supplies for Christmas, Halloween, kids birthday, wedding, science themed party.
• ✅ 100% Service: We take pride in delivering products of good quality. If you receive any broken conical flasks or have any problems in use, please contact us immediately for a full refund or replacement. Your satisfaction is our priority!

Shipping & Guarantees

• ✅ FREE standard shipping within the United States (3–6 business days)
• ✅ 100% money-back guarantee for lost or damaged items
• ✅ Secure checkout with encrypted payment processing
• ✅ Shipping via UPS, FedEx, and USPS
• ✅ Ships to lower 48 states only (no PO Boxes / APO / FPO)

Returns

• ✅ 30-day hassle-free returns
• ✅ Items must be unused and in original packaging
• ✅ Full refund if item is not delivered
• ✅ Guaranteed delivery within 6–7 business days

Payment Methods

✅ Credit Cards, PayPal, Shop Pay, Apple Pay, Google Pay, Amazon Pay, Meta Pay

Customer Support

✅ Questions? Contact us at Support@GiftAbay.com
We respond within 24 hours on business days.