Based on this product's specifications, here are some alternatives and similar models
Diffusion Filter K&F HD Black Mist 1/4 72 mm
Summary description:
K&F HD Black Mist diffusion filter 1/4 for 72 mm lenses reduces contrast and softens highlights to create a subtle glow and cinematic look. The glass screw-on filter modifies specular highlights, controls glare and preserves overall sharpness while softening skin tones and fine details. Suitable for portrait, wedding and video work where gentle diffusion is required.