Based on this product's specifications, here are some alternatives and similar models
3D Systems Spectrum ReFill Masterspool SPECTRUM-MASTERSPOOL — refill spool for 3D printing
Summary description:
Refill masterspool SPECTRUM-MASTERSPOOL by 3D Systems is a reusable refill spool designed for 3D printing filament management. It serves as a master spool for holding and dispensing filament during printing, enabling organized storage and easier filament replacement. Suitable for professional and hobbyist 3D printers that accept standard spool mounting and filament feed.