Based on this product's specifications, here are some alternatives and similar models
Anti-vibration Fan Pad SILVERSTONE FS-80 for 80mm Fans, Vibration Dampening Mount
Summary description:
SILVERSTONE FS-80 is an anti-vibration pad designed for 80 mm case or chassis fans. It provides vibration dampening between the fan and mounting surface to reduce noise transfer and mechanical resonance. The pad is intended for straightforward installation with standard 80 mm fan mounts and is suitable for PC cases, small enclosures and cooling assemblies requiring quieter operation.