Pump inlet outet

Which is the diameter of inlet/outlet of the pump,?
Any recomendation of valid pipe or hose for it?

https://www.robotshop.com/es/es/bomba-aire-sfe-12v.html?gclid=CjwKCAjw3-bzBRBhEiwAgnnLCm5lzKCMKD3VEzddPu0_kDvKHUn7w-uof1oXH3NkbpXm7xlfQ9uBNRoCaU4QAvD_BwE

this is the link of the pump

Hi @cbi and welcome to our forum!

If you have a look at this video, https://www.youtube.com/watch?v=rVAHatP47lg , you will see that this guy is using clear plastic hose with 1/4" inner diameter.

I hope this helps.