As announced earlier, this forum with it's respective web address will go offline within the next days!
Please follow the link to our new forum
and make sure, you readjust your link button to the new address!
Search under " Wipac / Wilco "
Location: Melton Mowbray
Thanks all for your input. Looked into a box that I haven't looked for sometime , found the filter in picture below, a little larger than I would have liked but it was there and it works.
Location: Oakley, hants
As its a non pumped pipe it would be better if the vibration coils were turned horizontal, rather than vertical as you have them. You can trap airlocks in the tops of the pipes.
Location: just going out to the garage
MAny thanks will do that