1. You can disable filters area in Theme Settings -> Shop -> “Shop filters”. Also please watch our video about creating filters for products as on our demo https://www.youtube.com/watch?v=gp3SMkKvUvs

2. If you use default woocommerce price filters so you can translate them with plugin’s POT file. Here is a video tutorial how you can translate the theme with Loco Translate plugin. The same procedure with woocommerce translation https://www.youtube.com/watch?v=tAFq1yTfWfU