I am having difficulty with check valves, I have a diffusor and tubing that both are 12/16mm, however I cannot find a check valve that fits that. Does the check valve have to be exactly that size? Or does someone recommend a different combination of products? Thanks
diffusor im getting:
https://www.co2art.us/collections/co2-accessories/products/new-co2art-inline-co2-aquarium-atomizer-diffuser-system?variant=22314607411282
diffusor im getting:
https://www.co2art.us/collections/co2-accessories/products/new-co2art-inline-co2-aquarium-atomizer-diffuser-system?variant=22314607411282
