United Scientific Metal Magdeburg Hemispheres are constructed from thick cast iron walls to withstand high pressures. Hemispheres measuring 8.5 in x 4 in x 4 in each have brass valve and precision machining to avoid leakage. Shipping Details Shipping Type: parcel Free Shipping: true Specifications Maximum Age: 12 years Maximum Grade Level: Grade 12 UPC: 885634230982 Allergens: Contains No Allergens Certifications: Not Applicable Grade Level: Middle-High School Specialty Shops: Clearance SUOM Description: Each Brand Name: United Scientific Description: Metal Magdeburg Hemispheres Material: Cast Iron California Proposition 65 Warning: WARNING: iWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov. For more information go to www.P65Warnings.ca.gov.
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