1-14 Paper strips, change for each full pH unit,100 strips per vial.
1-14 Paper strips, change for each full pH unit,100 strips per vial.
Stainless steel spatulas with both ends flat.
Stainless steel spatulas with both ends flat.
Aluminum die cast clamp for holding 2 pieces of apparatus in 3 positions: right angles, parallel or vertical. Holds rods to 1/2" in diameter.
Aluminum die cast clamp for holding 2 pieces of apparatus in 3 positions: right angles, parallel or vertical. Holds rods to 1/2" in diameter.
For 24 tubes, 25mm diameter. Red. Steam autoclavable up to 121 deg C (250deg F). Can be disassembled for storage. Dimensions 9.75" wide x 4" deep x 2.5" high.
For 24 tubes, 25mm diameter. Red. Steam autoclavable up to 121 deg C (250deg F). Can be disassembled for storage. Dimensions 9.75" wide x 4" deep x 2.5" high.
Good quality, one-piece plastic frame. Glass lens.
50mm magnifying glass with glass lens molded into a high quality unibody plastic frame. 2.5x magnification.
Black bristle. Double tufted end. 1 3/4" brush diameter. 16" overall length.
Black bristle. Double tufted end. 1 3/4" brush diameter. 16" overall length.
Porcelain. Glazed inside and outside except bottom outside surface.
Porcelain. Glazed inside and outside except bottom outside surface.
Black bristle. Wooden handle. Tufted end. 3 1/4" brush diameter. 13" overall length.
Black bristle. Wooden handle. Tufted end. 3 1/4" brush diameter. 13" overall length.
Zinc plated steel extension rings. Rod diameter is 5/16" overall length is 12".
Zinc plated steel extension rings. Rod diameter is 5/16" overall length is 12".
For rods up to 1/2" diameter.
4 inch cast iron, zinc-plated support ring with boss head clamp and thumbscrew. Distance from support to center of ring is 4-1/2 inches. For rods up to 1/2 inch in diameter.
Stamped steel base. Black enamel finish. Zinc plated, detachable rod. 4" x 6" base
Stamped steel base. Black enamel finish. Zinc plated, detachable rod. 4" x 6" base
These polypropylene connectors are ideal for connecting tubing systems and vacuum lines. They will withstand flows to 20psi, and are autoclavable. Excellent chemical resistance. Serrated connecting surfaces to prevent tubing slipping. Adapters allow for connecting different diameter tubing.
Good quality, one-piece plastic frame magnifying glass. Glass lens.
75mm magnifying glass with glass lens molded into a high quality unibody plastic frame. 2.5x magnification.
Self-closing with rectangular jaw made of brass wire. 5" long. Will hold up to 1" diameter tubes (25mm)
Self-closing with rectangular jaw made of brass wire. 5" long. Will hold up to 1" diameter tubes (25mm)
Stainless steel spatulas with both ends flat.
Stainless steel spatulas with both ends flat.
With cork-covered jaws, 8" total length.
With cork-covered jaws, 8" total length.
Box of 100, Smooth. Medium Flow rate and retention. Suitable for 95% of laboratory qualitative studies.
Porcelain. Glazed inside and outside except bottom outside surface. Outside Diameter: 35mm, Height: 300m
Porcelain. Glazed inside and outside except bottom outside surface. Outside Diameter: 35mm, Height: 300m
Porcelain. Glazed inside and outside except bottom outside surface.
Porcelain. Glazed inside and outside except bottom outside surface.
This pocket magnifier features a 38mm diameter lens, and offers a much larger (almost twice) field of view compared to regular pocket magnifiers. Sturdy plastic frames, glass lens. This magnifier is very versatile, and magnifies objects 5X.
This pocket magnifier features a 38mm diameter lens, and offers a much larger (almost twice) field of view compared to regular pocket magnifiers. Sturdy plastic frames, glass lens. This magnifier is very versatile, and magnifies objects 5X.
2.5X Magnifier Set. Affordable and dependable plastic magnifiers. Get one for every student in your classroom. 1 1/4" diameter lens. Set of 12.
Stainless steel lab scoop. 6 1/2" long, 1/2" wide.
Stainless steel lab scoop. 6 1/2" long, 1/2" wide.
Stainless steel spatulas with both ends flat.
Stainless steel spatulas with both ends flat.
Adjustable 360 degrees jaw rotation. For attaching up to 1/2" diameter rods. Aluminum muff with steel thumbscrew.
Clamp with Hook can be rotated and locked in any position. Ideal for supporting suspended thermometers, drying tubes, etc. The clamp attaches to rods up to 13mm (1/2") O.D.