Heavy-Duty Vacuum Bottles are The Most Durable Nalgene Bottles Available!
Large, thick-walled Heavy-Duty Vacuum Bottles with Wide-Mouth design stand up to extra-rugged conditions. Bottles withstand repeated application of full vacuum for 24 hours at 20°C. Polypropylene Bottles have white polypropylene closure and TPE gasket so they’re leakproof. Autoclavable. Choose 1000mL, 2000mL, 4000mL or 5000mL capacity.