How to add extra text to the title of products with changing it?

[RnBi]

Theme=Enterprise

site: https://eaglefittings.com/pages/1-sanitary-fittings

I'm trying to add custom text "1 inch " to title of all the products （only for this part）

but i don't want change them in the system as i may need to add "2inch" "1.5inch" ...

ps: there is no metafield for the title.

a:before {
  content: "1 Inch ";
}

but it can't be saved.

I'm not expert in css. can anyone help me ?

[RnBi]

只是用与这个section

[RnBi]

前缀是统一的 

[RnBi]

https://eaglefittings.com/pages/1-sanitary-fittings

二维码过期了