"power+supply"

The next generation Guardian 5000TM Hotplate Stirrers are engineered for safety and versatility across research, academic and industrial settings. They offer powerful heating and mixing, with premium hardware and software to support diverse users safely and reliably. Heating models reach up to 550 °C and feature three temperature control modes for quick heating or precise heating without overshoot. Select from five models with three plate sizes.

VACUETTE® trace element tubes are designed to test trace elements such as aluminum, lead, cadmium, chrome, iron, fluoride, cobalt, copper, lithium, manganese, molybdenum, mercury, selenium, or thalium.

Tubes are designed for routine use in immunohematology testing and viral marker testing in screening and clinical laboratories.

Sagittaria graminea. Monocot. Rooted aquarium plant with long, narrow leaves. Size: 5– 8". Package of six.

Unless otherwise noted, plants are supplied in waterproof, plastic bags that keep plants fresh and healthy. Care instructions are included. Be sure to check with your state’s Department of Agriculture for any restrictions.

Designed for use in the examination of coagulation parameters, coagulation tubes contain a buffered tri-sodium citrate solution.

Pack of 50 racked polypropylene centrifuge tubes with conical bottom. Leak-proof, blue HDPE screw caps are included.

The hub will press fit onto the shaft of many small DC generators; just attach your own blades and begin experimenting with wind power! The hub is designed to allow you to change blade angles and/or interchange blade sets quickly and easily. An improved stainless-steel insert can take a beating in your classroom year after year without failing!

These extension clamps features heavy-duty electroplated zinc alloy construction and dual prong adjustments. Clamps have a maximum temperature use of 80 °C.

Drosera sp. Dicot. Rosettes of leaves, radiating from a central stem, trap small insects in leaf hairs, while glands on each tip exude a sticky substance that helps trap the bugs. It is native to acidic bogs in temperate regions and prefers a warm, humid environment. It comes supplied in a pot with care instructions. Size: 2–4".

The set includes 200 heparinized, mylar wrapped, hematocrit tubes, and six capillary tube trays with sealant. Each tray has two rows of slots numbered 1 through 24 for easy tube storage.

Vallisneria spiralis. Monocot. This fast-growing bottom-rooted plant has elongated, twisted green leaves with five parallel longitudinal veins. It grows well mixed with other plants. Size: 6–8". Package of 50.

Unless otherwise noted, plants are supplied in waterproof, plastic bags that keep plants fresh and healthy. Care instructions are included. Be sure to check with your state’s Department of Agriculture for any restrictions.

This all-glass filter holder is used in particulate contamination analysis for filtering aqueous, organic, or corrosive liquids. It is also recommended for HPLC solvent filtration.

Designed for use in the examination of whole blood in hematology applications, EDTA tubes feature interior walls that are coated with either K2EDTA or K3EDTA.

Racked and Sterile low retention universal pipette tips with filter.

Designed for analyzing particulate contamination of hydraulic fluids and oils using gravimetric or particulate counting methods, and can be used in exfoliative cytology applications.

Blood collection sets are intended for use in blood collection and short-term infusion.