Woocommerce Facebook Tab extension

I’ve got this great plugin working on my woocommerce site, as can be seen here:
http://store.culturedfoodlife.com/product-category/kefir/

To make this plugin work used the following selectors:

#content
nav.woocommerce-pagination
a.next
ul.products

However, I also have installed an extension from woocommerce that allows me to display my products on my facebook tab. The plugin generates a special page, which you can view here:
http://store.culturedfoodlife.com/product-category/kefir/?fbtab=true

The Infinite Scroll plugin doesn’t work on this page. I thought it might be because the Content Selector is different, so I added what I think it should be to the settings:
#content, #fbtab

However this didn’t work. I’m not sure if I’m using the correct Content Selector, and I’m also not sure if I can even use multiple selectors in the Infinite Scroll settings. Please advise.

http://wordpress.org/plugins/infinite-scroll/