inputs:2 ✕ has-loop-button-function:yes ✕ volume:unknown-help-us-by-suggesting-a-value ✕ thickness:43-mm ✕ number-of-knobs:11 ✕

Allow OR queries (select multiple values per filter)

When disabled: selecting a filter value replaces the current value.
When enabled: you can select multiple values for the same filter (OR logic).