Best Stonylab in 2026

2000ml Flat Bottom Boiling Flask

1 Single Neck

Made of high quality glass

Graduated Cylinder is a measuring vessel used for quantitative measurement of liquids by volume in the laboratory

Heavy duty reusable single metric high quality

Flared top lip

Can filter chemicals that cannot be filtered by filter paper or diaphragm; can be used with filter erlenmeyer flask, filter adapter cones and others; ideal for chemical analysis, petroleum industry, pharmaceutical industry and so on

G3 15~40 μm Nominal Max. pore size; compatible with StonyLab Qualitative/Quantitive Filter Paper Circles in 46 mm diameter

Special Notice: not for filtering hydrofluoric acid, hot concentrated phosphoric acid, concentrated alkaline solution, etc.; please clean immediately after use; keep it clean and dry when stored

500ml Flat Bottom Boiling Flask

1 Single Neck

Made of high quality glass

Used for pressure filtration; or to increase flow rate when some concentrated solutions are slow or difficult to filter under normal pressure

Made of borosilicate glass; capacity: 500 milliliters

Flasks have a narrow mouth and tooled top finish

Made of borosilicate glass

Diameter: 100mm

Stem Length: 100mm

500 ml Separatory funnel

500 ml glass separatory funnel for separating liquids with different densities

Made of high quality glass

With fixed perforated plate

Glazed on inner and outer surface with exception of rim

100mm outer diameter, 92mm inner diameter

1000 ml Separatory funnel

1000 ml glass separatory funnel for separating liquids with different densities

Made of high quality glass

Used for pressure filtration; or to increase flow rate when some concentrated solutions are slow or difficult to filter under normal pressure

Made of borosilicate glass; capacity: 100 milliliters

Flasks have a narrow mouth and tooled top finish

Made of borosilicate glass

Length: 50mm

Stem Length: 50mm

Can filter chemicals that cannot be filtered by filter paper or diaphragm; can be used with filter erlenmeyer flask, filter adapter cones and others; ideal for chemical analysis, petroleum industry, pharmaceutical industry and so on

G2 40~80 μm Nominal Max. pore size; compatible with StonyLab Qualitative/Quantitive Filter Paper Circles in 94 mm diameter

Special Notice: not for filtering hydrofluoric acid, hot concentrated phosphoric acid, concentrated alkaline solution, etc.; please clean immediately after use; keep it clean and dry when stored

Filter paper diameter: 56mm

Coarse cellulose filter papers remove particles > 20 µm

Filtration Speed: 35 - 70 sec

60 mL Separatory funnel

60mL glass separatory funnel for separating liquids with different densities

Made of high quality glass

Lightweight Wash Bottle

Material: LDPE (low-density polyethylene)

Narrow mouth; short neck; clear graduations; excellent elasticity

Top Outside Diameter: 100mm

24/40 Joint

Short Stem Funnel is made of borosilicate glass

2 Pack; Capacity is 50/100/250/500mL

Material is Borosilicate Glass

High quality material and perfect handcraft

14/20 Joint to hose

Vacuum bent inlet adapter with standard male bottom joint and 9 mm hose connection for vacuum or pressure sensing equipment; ideal for vacuum distillation, fractionation and other processes in organic chemistry

Serrated hose connection ensures durable usage

Our StonyLab White Rubber Stoppers provide exceptional seal for many applications

Please read the dimension description image carefully before making a decision (might have 1mm measurement error)

Exhibit excellent resilience and retain pliability over a long period

Vaccum trap

200 mm length below

Borosilicate Glass, Heavy Duty Design, Reusable and High quality

Our StonyLab White Rubber Stoppers provide exceptional seal for many applications. Fits all StonyLab or Labasics erlenmeyer flask

Please read the dimension description image carefully before making a decision (might have 1mm measurement error)

Exhibit excellent resilience and retain pliability over a long period

Can filter chemicals that cannot be filtered by filter paper or diaphragm; can be used with filter erlenmeyer flask, filter adapter cones and others; ideal for chemical analysis, petroleum industry, pharmaceutical industry and so on

G1 80~120 μm Nominal Max. pore size; compatible with StonyLab Qualitative/Quantitive Filter Paper Circles in 94 mm diameter

Special Notice: not for filtering hydrofluoric acid, hot concentrated phosphoric acid, concentrated alkaline solution, etc.; please clean immediately after use; keep it clean and dry when stored

14/20 Outer Joint

Hollow glass stopper

Hexagon Head Stopper; convenient to clean and rotate, and side grooves can prevent slippage

Round Bottom Flask

2 Angled Neck

24/40 Center Joint in the central and side

Widely used as heating and reaction vessel in chemical experiments

Round Bottom Flask

Single Neck 24/40

Measures 12 mm OD by 75 mm length

Test tube is made of borosilicate glass

Feature cylindrical bottom

Widely used as heating and reaction vessel in chemical experiments

Round Bottom Flask

Single Neck 24/40

Measures 12 mm OD by 75 mm length

Test tube is made of borosilicate glass

Feature cylindrical bottom

60 mL Separatory funnel

60 mL glass separatory funnel for separating liquids with different densities

Made of high quality glass

Graham condenser is used for distillation and reflux apparatus, working with distillation flasks and bent adapters to condense vapors and liquid droplets

Glass Graham condenser; 24/40 joint on the top and bottom

Made of high quality glass