Size
Type
Specifications
Compare modelsSG $157.50
Inc. GST
The 3M™ Half Mask Body 6500QL Rugged Comfort Series (Size L) is engineered for demanding and dirty work environments, providing durable, stable, and comfortable respiratory protection. Featuring the innovative Quick Latch (QL) mechanism, it allows for easy donning and doffing without removing other safety equipment. The rugged silicone face seal and strong body construction ensure a reliable fit and long-lasting performance, ideal for industrial, laboratory, and chemical applications.
Note: Please order matching filters separately.
The 3M™ 6500QL Rugged Comfort Half Mask combines toughness and usability, offering professionals a dependable respirator that maintains comfort, safety, and convenience in even the most challenging environments.
Compatible Filter System for 3M™ Half and Full Masks
Manufacturer P/N
7100018995
Part Number
6.266 989
Manufacturer
3M
Size
L
Manufacturer P/N
7100020699
Part Number
6.266 987
Manufacturer
3M
Size
S
Manufacturer P/N
7100018994
Part Number
6.266 988
Manufacturer
3M
Size
M
It is engineered for demanding and dirty work environments, providing durable, stable, and comfortable respiratory protection. Featuring the innovative Quick Latch (QL) mechanism, it allows for easy donning and doffing without removing other safety equipment. The rugged silicone face seal and strong body construction ensure a reliable fit and long-lasting performance, ideal for industrial, laboratory, and chemical applications.
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Cleaning laboratory glassware properly is essential for accurate, safe, and repeatable lab work. This guide explains how to remove stubborn residue from beakers, flasks, bottles, volumetric glassware, and other lab glassware, including grease, dried salts, biological residue, stains, and burnt deposits. It also covers safe cleaning methods, common mistakes, drying and storage tips, and when damaged glassware should be replaced.
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Pipette calibration helps laboratories confirm that liquid handling results remain accurate, repeatable, and traceable. This guide explains how pipettes are calibrated to ISO 8655 standards, including gravimetric testing, environmental control, correct tip selection, volume testing, calibration records, and common mistakes to avoid. It also covers when to use in-house calibration and when an external calibration service may be more suitable.
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9 mins read
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6 mins read
Laboratory balances are essential weighing instruments used to measure samples, reagents, powders, chemicals and materials with accuracy and consistency. They are commonly used in research, education, quality control, pharmaceutical testing, food testing, industrial laboratories and general scientific workflows.
