Eppendorf 1000AL cap (WM) (2 pcs/set) 5721411221

The Eppendorf 1000AL cap (WM) (2 pcs/set), material number 5721411221, is a manufacturer part listed as the "1000AL Cap (WM) Assy." It is a replacement/assembly cap intended for Eppendorf 1000 mL wide‑mouth (WM) centrifuge bottles and is used to seal those bottles for use in compatible rotors. Manufacturer and authorized distributor listings show it as a cap/packing item assembled on or supplied for rotor bottle assemblies and as a spare part for 1000 mL bottle assemblies.

Key Features:

• Manufacturer part number: 5721411221 (listed as 1000AL Cap (WM) Assy)
• Intended for: Eppendorf 1000 mL wide‑mouth (WM) centrifuge bottles
• Product type: Cap / cap assembly (WM = wide‑mouth)
• Packaging/packing sold as cap sets (2 pcs/set packing variants shown by authorized distributors)

Advantages:

• Provides the manufacturer‑specified replacement cap for 1000 mL wide‑mouth bottles, supporting correct rotor assembly and fit.
• Enables secure screw‑style closure consistent with Eppendorf centrifuge bottle systems, simplifying opening/closing and reducing risk of spillage during handling.
• Available as a spare/packing item from authorized distributors so users can maintain or service bottle/rotor assemblies without replacing entire units.