No I missed the bottom part of index.php I just done this
so missed echo '</div>' . PHP_EOL; and also had to low on the page
In the mean time I redone the old /includes/modules/boxes/bm_products_filter.php
Which is looking nice now not fully tested as just finished but as far as i can see it is ok added ui buttons and various fixes.
link --> here
so just testing with filters now looking good it really is filtering right down to a single spec if needed
Going to give your modular cats another go later today.
I needs to go over your intructions again takes a while to get used to but the results are fantastic have not even got to comparison etc