Settings for 3 options one time purchase , One single Cartridge and subscprtion for every 3 months

I am building a store for client and we have simlair website which use your service , I want to have setting where the customer purchases one time. Purchases a cartridge and also is able to purchase a subscritption every 3months. The website we are building is

https://vibe-hair-salon-cn.myshopify.com/products/vibe-shower-filter & the site simliar build with your app is https://helloklean.com/en-eu/products/shower-filter . The password to login is Vibe!