Angled handle fits easily into flask or bottle necks and bends to allow fitting of brush to container shape. Brushes are mounted on a flexible plastic handle, designed for cleaning Erlenmeyer, Filtering, Kjeldahl, Nephelo, Pear-Shaped, Round Bottom, Flat Bottom, Reaction, and Volumetric flasks.

For use on test tubes, centrifuge tubes, small jars, cylinders, etc. Of white nylon bristle with radial tufted end and twisted wire handle with loop Package contains 6 brushes

Soft sponge foam brush cleans glassware without absorbing water. Foam bristles never become soggy or limp. Will also not scratch or chip fragile glass items. Also will last up to 10 times longer than normal nylon brushes and up to 20 times longer than sponges.

Stiff white polyester fibers are twisted in stainless steel wire Radial tufted end

Can last up to 10 times longer than most other brushes and up to 20 times longer than most other sponges under normal use Sponge-type brush area Comfortable handles Model 1929M20 is a thin, bendable brush that can reach where hands and conventional brushes can not. It can slip into the…

For safe, thorough cleaning of test tubes and narrow mouth glassware Of white animal bristle with tufted end, on sturdy galvanized iron wire 1927G60 brush is suitable for test tubes 12 to 18 mm o.d.; 1927K15 brush is suitable for test tubes 18 to 25 mm o.d.

Excellent for cleaning cylinders or large tubes with inside diameters from 38 to 64 mm For effective, safe cleaning of wide mouth glassware such as jars, beakers, etc. Stiff, black bristles 127 mm long x 64 mm diameter, with fan-shaped tufted end, on heavy galvanized iron wire. Overall…

Allows access to entire inside surface of flasks or BOD bottles Black hog bristle brush 4 1/4” long mounted on a flat steel shank attached to pivoting shaft Brush (12 1/8” long) has bristle diameter of 1 1/2”; brush (16” long) has bristle diameter of 1 5/8”

Good quality nylon bristles, mounted in twisted heavy gauge galvanized wire. All brushes feature a radial top.

Special construction puts the cleaning action where it is needed. The bristles fold flat to fit through the narrow bottle neck, then expand to fill the chamber.

For use on bottles, jars, cylinders, etc. Black nylon bristle with tufted end and twisted galvanized iron handle with loop The 305 mm brush is also for 50 ml round bottom centrifuge tubes

These Test Tube Brushes are engineered to perform a wide variety of cleaning functions. Radial Tip or Double Fan tip Brushes have formed brush sprays at the tip of the brush. This allows the brush to thoroughly clean the bottom & corners of the bottle or tube, without scratching the glassware.

Great for cleaning test tube and narrow mouth glassware. Fan tip facilitates cleaning and protects glassware.

Black nylon monofilament bristles 8 x 1 3/4 inches, on galvanized wire, with hinged joint and wooden handle Can be used in flasks with long necks, 1 3/4” diameter or short neck balloon flasks with 1 1/2” i.d. Total length 23 5 /8”.

Cylinder and tube brushes with tufted end and plastic handle for glass barrel and tube cleaning.

Wooden handle and horsehair bristle. Bristle length is 2-3/4"x 1-1/8"x 3/4" (70mm x 29mm x 19mm), and the overall dimension is 10-1/2" (267mm).

For volumetric flasks, with bristle part 1 1/2” diameter and plastic handle Flexibility of curved spring portion to which bristles are attached enables brush to reach all parts of flask

Thomas No. 1178X39 Brush, Burette,  Fitted on stainless steel wire handle. Nylon, on stainless steel wire handle, for burette cap. 50ml, head dia 19mm, length 760mm, weight 30 g Thomas No. 1178X40 Brush, Burette, Fitted on stainless steel wire handle. Nylon, on stainless steel wire…

These Flask Brushes have natural bristles and a flexible plastic handle. PRODUCT WARNINGS Our products are not toys . Use in a laboratory or educational setting only. Not for children 13 and under.

Use this brush to clean any type of deep vessel. Good for restaurant kitchens, laboratories with round-bottom flasks, repair shops, any facility needing dexterity and small size in the cleaning head. Diameter of wooden head: 1.7025 x .8915" and the bristles are 1.578 x.74". Head of brush…

For cleaning volumetric, mohr or milk pipets Handle made of galvanized wire; total length 17”, with bristle part 7 1/2” long, tapering from 3/4” to 1” diameter; 1” tapered portion approximately 3” long.

Specially designed for cleaning conical glassware such as pharmacutical graduates and funnels. Tapered black bristles have a rounded tip with a double tuft extension for easy removal of residues.

24 or 48 in. lengths Flexible vinyl brushes fit tubes with 1/2”, 3/4” and 1” diameters. Available in 24” or 48” lengths, brushes are suitable for aquariums, laboratories and other scientific equipment.