I wound up getting the straw filter you recommended

https://www.amazon.com/dp/B071VZMMKM?ref_=cm_sw_r_apan_dp_37G76H535X2KFB5B1Q0T_1

and a 32 oz Hydroflask stainless steel bottle

https://www.amazon.com/dp/B07YXMJZQW?ref_=cm_sw_r_apan_dp_731272BNV8SG1D9YSN5A

Thank you so much!