Hi, Greetings!
I have understood the requirement and I can definitely solve this filtering speed issue in your Woocommerce Elementor site.
I am a well-experienced WordPress/Woocommerce expert, having 5 years of hands-on over web design and development. I have a very strong experience with WordPress, Woocommerce, Theme/Plugin development and customization, Responsive design and so on.
I have few questions regarding the issue you are facing. Let's disucss more about it in private message.
Awaiting your prompt response.
Thank you,
Nidhi