You must select your brand attribute in Theme Settings -> Shop -> Brands
Price range: $3.99 through $4.99
Price range: $4.99 through $9.99
Price range: $6.95 through $19.95
Price range: $3.99 through $14.99
Price range: $2.95 through $4.95
Price range: $7.99 through $39.99
$20.00
Price range: $5.99 through $13.99
Price range: $2.95 through $13.95
Price range: $7.00 through $17.84
Price range: $4.50 through $12.95
Price range: $3.99 through $9.99
Price range: $7.99 through $16.99
Price range: $4.99 through $12.99
Price range: $2.99 through $39.99