Polypropylene with serrated connecting surfaces. Autoclavable, excellent chemical resistance. Two sizes available.
Unique features include flexible, shatterproof material, and no-drip cover. Exclusive design forces condensation to remain in the tank. 10-1/2 in. x 7 in. x 3-1/4 in.
Unique features include flexible, shatterproof material, and no-drip cover. Exclusive design forces condensation to remain in the tank. 10-1/2 in. x 7 in.
Great for creating terrariums, small aquariums, or as a critter cage. Solves the cracking and breakage problem of rigid plastic and glass tanks. Unique features include nestable to save storage space, flexible, shatterproof material, molded foot pegs that prevent scratching and temperature transfer, and rounded corners for easy clean up. 1.5 gallon tank. 11 in. x 7 in. x 5 in.
Unique features include flexible, shatterproof material, and no-drip cover. Exclusive design forces condensation to remain in the tank.
Great for creating terrariums, small aquariums, or as a "critter" cage. Solves the cracking and breakage problem of rigid plastic and glass tanks. Unique features include nestable to save storage space, flexible, shatterproof material, molded foot pegs that prevent scratching and temperature transfer, rounded corners for easy clean up, and no-drip cover. Exclusive design forces condensation to remain in the tank.
Unique features include flexible, shatterproof material, and no-drip cover. Exclusive design forces condensation to remain in the tank.
Great for creating terrariums, small aquariums, or as a critter cage. Solves the cracking and breakage problem of rigid plastic and glass tanks. Unique features include nestable to save storage space, flexible, shatterproof material, molded foot pegs that prevent scratching and temperature transfer, and rounded corners for easy clean up. Half gallon tank. 5-3/8 in. x 7 in. x 3-3/4 in.
Nickel-plated brass burner tube 11 mm diameter with rotatable non-removable air regulator. On stable cast iron base, baked hammertone finish, with serrated gas inlet tube 9 mm outer diameter.
• Standard Burner,
• LP (Cylinder) gas,
• 7/16"(11mm) Mixing Tube OD,
• 0.55 CFH,
• 1,342 BTU Output,
• 5-3/8" (137mm) Overall Height
• 5/16" Serrated OD inlet
High-quality, American-made burner with nickel-plated, die-cast zinc bases. Burner feature aluminum mixing tube and 5/16" serrated gas inlet connection. 7/16"(11mm) Mixing Tube OD, 0.55 CFH, 1,342 BTU Output, 5-3/8" (137mm) Overall Height. CFHs and BTU Outputs are figured on: 5 inch Water Column Pressures for Artificial and Natural Burners. 11 inch Water Column Pressures for LP Burners.
3 inch strong zink-plated steel horseshoe magnet with North and South poles marked. Supplied with keeper.
Cast iron, zinc-plated support ring with boss head clamp and thumbscrew. Distance from support to center of ring is 4-1/2". For rods up to 1/2" diameter.
3 inch cast iron, zinc-plated support ring with boss head clamp and thumbscrew. Distance from support to center of ring is 4-1/2". For rods up to 1/2" diameter.
Fascinate your students with the study of fossils. Kit contains 21 plastic reproduction fossils that students can measure, identify, and classify according to geologic era using the included fossil key. Grades 6-12.
School Safety Patrol incentive button. Red on Yellow.
Standard flashlight sized bulb with threaded base.
Standard flashlight sized bulb with threaded base.
Unmounted, high-quality silvered glass. Focal length 150 mm.
Unmounted, high-quality silvered glass. Focal length 150 mm.
Unmounted, high-quality optical glass with ground edges. Set includes 6 lenses: 1. Double convex 2. Plano convex 3. Concave/convex 4. Double concave 5. Plano concave 6. Convex/concave.
Unmounted, high-quality optical glass with ground edges. Set includes 6 lenses: 1. Double convex 2. Plano convex 3. Concave/convex 4. Double concave 5. Plano concave 6. Convex/concave.
4 inch strong zink-plated steel horseshoemagnet with North and South poles marked. Supplied with keeper.
For 28" cones. Reflective high tack adhesive backed cone collars made from tough, durable, and flexible UV stabilized polyester sheeting. Three times brighter than previous cone collars and comply with FHA requirements. Cone not included.
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.
Cast iron, zinc-plated support ring with boss head clamp and thumbscrew. Distance from support to center of ring is 4-1/2". 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". For rods up to 1/2" diameter.
Tinned iron. Ceramic. Turned edges.
Tinned iron. Ceramic. Turned edges.
Cast iron, zinc-plated support ring with boss head clamp and thumbscrew. Distance from support to center of ring is 4-1/2". For rods up to 1/2" diameter.
5 inch cast iron, zinc-plated support ring with boss head clamp and thumbscrew. Distance from support to center of ring is 4-1/2". For rods up to 1/2" diameter.
Tinned iron. Ceramic. Turned edges.
Tinned iron. Ceramic. Turned edges.