Question about Filtering Titan Loot

So some of my GRB loot is nearing max level and once a piece hits max level I generally filter it.

I'm just curious about how that functions with the 'Filter Titan Loot' setting.

Like if I want to filter GRB's hat, can I just use my normal improved loot filter to filter it? Or do I need 'Filter Titan Loot' set to on? Or will 'Filter Titan Loot' just filter all titan loot?