---
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: "$226.63"
currency: USD
in_stock: true
reviews_count: 7
category: "Ulab"
url: https://www.desertcart.ec/products/552314723-ulab-scientific-erlenmeyer-flasks-with-blue-screw-cap-34oz-1000ml
store_origin: EC
region: Ecuador
---

# 3.3 Borosilicate glass thermal resistance Blue screw cap with GL45 thread 1000ml precision volume ULAB Scientific Erlenmeyer Flasks with Blue Screw Cap, 34oz 1000ml, 3.3 Borosilicate with Printed Graduation, Pack of 2, UEF1021

**Brand:** ulab
**Price:** $226.63
**Availability:** ✅ In Stock

## Summary

> 🔬 Elevate your experiments 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?** $226.63 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/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

- • **Built to Endure:** 3.3 borosilicate glass resists thermal shock and chemical corrosion for reliable, long-term use.
- • **Secure & Spill-Proof:** Blue screw cap with DIN GL45 thread and pouring ring guarantees leak-free storage and transport.
- • **Graduated for Accuracy:** Permanent printed graduations and large labeling field make measurement and identification effortless.
- • **Crystal Clear Chemistry:** Transparent borosilicate glass lets you monitor contents at a glance, ensuring flawless lab precision.
- • **Versatile Lab Essential:** Perfect for professional labs, home experiments, and even creative cocktail mixing—because science is everywhere.

## Overview

The ULAB Scientific Erlenmeyer Flask pack includes two 1000ml flasks made from durable 3.3 borosilicate glass, featuring permanent printed graduations and a secure blue screw cap with GL45 thread. Designed for chemical resistance and thermal stability, these flasks are ideal for laboratory, educational, and even culinary applications, combining professional-grade quality with user-friendly features.

## 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 | 101,703 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 144 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 Ecuador*
*Store origin: EC*
*Last updated: 2026-01-25*