Based on this product's specifications, here are some alternatives and similar models
Barrow Silicon Bending Insert GJSGW-8 — 10 cm, white, bending insert for tubing and fittings
Summary description:
Barrow Silicon Bending Insert GJSGW-8 is a 10 cm white silicone insert designed to support and shape soft tubing during installation. Compatible with systems requiring precise bends, it helps prevent kinks and maintains consistent flow paths. Useful for custom liquid-cooling loops and routing in tight spaces; provides flexible yet stable tube curvature for cleaner, reliable setups.