Based on this product's specifications, here are some alternatives and similar models
Sealing kit Rittal AX 2580.009 — light grey plastic, pack of 10, for cable entry
Summary description:
Rittal AX 2580.009 is a sealing kit designed for cable entry and enclosure sealing. The set contains 10 light grey plastic sealing inserts (total weight 50 g per item, pack weight 66 g) suitable for protecting cable passages and improving enclosure ingress protection. Ideal for electrical cabinets, control panels and industrial housings where reliable cable sealing is required.