Hello,
Point is that these quesrtied are default WooCommerce plugin queries, you can find them even with the default Storefront theme what you filter by price for example https://prnt.sc/8mQrXVZVQN4z
Your developer may try solution described here to add nofollow for the price and brand filter https://stackoverflow.com/questions/38392686/woocommerce-seo-noindex-order-by-archive
Regards