---
product_id: 552314723
title: "ULAB Scientific Erlenmeyer Flasks with Blue Screw Cap, 34oz 1000ml, 3.3 Borosilicate with Printed Graduation, Pack of 2, UEF1021"
brand: "ulab"
price: "S$102"
currency: SGD
in_stock: true
reviews_count: 7
category: "Ulab"
url: https://www.desertcart.sg/products/552314723-ulab-scientific-erlenmeyer-flasks-with-blue-screw-cap-34oz-1000ml
store_origin: SG
region: Singapore
---

# 3.3 Borosilicate glass, chemical resistant Blue screw cap with GL45 thread 1000ml capacity ULAB Scientific Erlenmeyer Flasks with Blue Screw Cap, 34oz 1000ml, 3.3 Borosilicate with Printed Graduation, Pack of 2, UEF1021

**Brand:** ulab
**Price:** S$102
**Availability:** ✅ In Stock

## Summary

> 🔵 Elevate your lab game with precision and style!

## Quick Answers

- **What is this?** ULAB Scientific Erlenmeyer Flasks with Blue Screw Cap, 34oz 1000ml, 3.3 Borosilicate with Printed Graduation, Pack of 2, UEF1021 by ulab
- **How much does it cost?** S$102 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/552314723-ulab-scientific-erlenmeyer-flasks-with-blue-screw-cap-34oz-1000ml)

## Best For

- ulab enthusiasts

## Why This Product

- Trusted ulab brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Secure & Spill-Proof:** Blue screw cap with DIN GL45 thread ensures leak-proof storage and safe transport.
- • **Effortless Measurement:** Permanent printed graduations and large labeling field for quick, accurate volume checks.
- • **Versatile Lab Essential:** Ideal for everything from rigorous lab experiments to creative home science projects.
- • **Trusted Quality & Support:** ISO 4796 certified with responsive 24-hour customer service—because your experiments deserve the best.
- • **Precision Meets Durability:** Crafted from 3.3 borosilicate glass for unmatched chemical resistance and minimal thermal expansion.

## Overview

The ULAB Scientific Erlenmeyer Flask pack includes two 1000ml flasks made from durable 3.3 borosilicate glass, featuring permanent graduations and a secure blue screw cap with GL45 thread. Designed for chemical resistance and minimal thermal expansion, these flasks are perfect for professional labs and home experiments alike, backed by ISO certification and dedicated customer support.

## Description

ULAB Scientific Erlenmeyer Flask with Blue Screw cap, Vol.1000ml, 3.3 Borosilicate with Printed Graduation, Pack of 2, UEF1021 The ULAB Scientific Erlenmeyer Flask are made of borosilicate glass 3.3, Compliance with ISO 4796 Laboratory Glassware-bottle which has Minimal thermal expansion. Widely used in laboratory or kitchen. It is Suitable for general purpose laboratory applications, such as storage, sample preparation, transport, autoclaving media. It is great for lab and home school science experiments(Chemistry, Physics, Biology). After-Sales Service ULAB Scientific guarantees that no sale is complete unless the customer is satisfied. If you have any questions or suggestions on our products or service, please do feel free to contact us. You'll get our reply within 24 hours. Thanks for your patience.

Review: Great product - Very Good ! I bought these for my mother who has Alzheimers. Good to stop bottles being knocked over due to the flared bottom, unlike other straight bottles.
Review: Very useful - Perfect for mixing cocktails!

## Features

- Excellent chemical resistance
- Transparent–contents and volume can be quickly checked
- Easy labeling-thanks to large labeling field
- Practicality-easy to read, permanent graduations
- With DIN thread GL45, pouring ring and PP screw cap

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07QL8CP2S |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 106,035 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 147 in Lab Flasks |
| Colour | Translucent flasks with blue screw cap |
| Customer Reviews | 4.4 4.4 out of 5 stars (176) |
| Date First Available | 12 April 2019 |
| Item Weight | 1.05 kg |
| Item model number | UEF1021 |
| Manufacturer | ULAB Scientific |
| Material | Borosilicate Glass |
| Package Dimensions | 24.51 x 24.31 x 13.41 cm; 1.05 kg |
| Part number | UEF1021 |
| Specification met | Iso |
| Style | Vol. 1000ml, Pack of 2 |

## Product Details

- **Bottom shape:** Round
- **Brand:** ULAB
- **Capacity:** 1000 Millilitres
- **Graduation interval:** 1000 Millilitres
- **Manufacturer:** ULAB Scientific
- **Material:** Borosilicate Glass
- **Specification met:** Iso

## Images

![ULAB Scientific Erlenmeyer Flasks with Blue Screw Cap, 34oz 1000ml, 3.3 Borosilicate with Printed Graduation, Pack of 2, UEF1021 - Image 1](https://m.media-amazon.com/images/I/31IVvKtg69L.jpg)
![ULAB Scientific Erlenmeyer Flasks with Blue Screw Cap, 34oz 1000ml, 3.3 Borosilicate with Printed Graduation, Pack of 2, UEF1021 - Image 2](https://m.media-amazon.com/images/I/412Tr-Xa46L.jpg)
![ULAB Scientific Erlenmeyer Flasks with Blue Screw Cap, 34oz 1000ml, 3.3 Borosilicate with Printed Graduation, Pack of 2, UEF1021 - Image 3](https://m.media-amazon.com/images/I/41928cdnf2L.jpg)
![ULAB Scientific Erlenmeyer Flasks with Blue Screw Cap, 34oz 1000ml, 3.3 Borosilicate with Printed Graduation, Pack of 2, UEF1021 - Image 4](https://m.media-amazon.com/images/I/51cmOD4mblL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product
*by R***M on 25 November 2025*

Very Good ! I bought these for my mother who has Alzheimers. Good to stop bottles being knocked over due to the flared bottom, unlike other straight bottles.

### ⭐⭐⭐⭐⭐ Very useful
*by S***N on 11 November 2025*

Perfect for mixing cocktails!

### ⭐⭐⭐⭐⭐ Review
*by D***S on 30 September 2022*

I bought these for Agar/Liquid Culture work. Bottles are rated for high temp and pressure ie...autoclave/Pressure Canner & Cooker work. Bottles also have drip resistant lip on them. Essential for pour work in home or lab.

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-09*