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At the moment, if, for example, I select size 12 here, which both of these products have, and size 8, you can see that the other one actually disappears. Now, what we really should be using with our filters is an OR query rather than an AND query. Because these are tick boxes and not radio boxes, we want to be able to include everything that we have actually checked.

So let's head over to the product browser and just remind ourselves what we were doing here. We know that we were mapping through each of these filters, building them up with an assignment for the value and the actual filter itself that we indexed earlier, and then we joined these with an AND. The only thing that we need to change here is switch this over to an OR.

Now, just down here where we have our price filter, we can keep this as AND. We want this to be on the end and we want our filters to have multiple and the price to be only what we have selected. So we're just going to keep that as AND. So now we can still use our price as normal, but this time we can go ahead and select 12 and 8 and both of them appear here.

If, for example, we selected just white and black, of course that still works because this is only available in white. But if we select white and rainbow, of course both of them appear. So a very simple fix here, but something that is really important with the way that we've set our filters up.