SELECT t1.product_name, t1.product_volume, t1.ID
FROM t_produkte AS t1
WHERE t1.product_volume = (
SELECT MAX(product_volume)
FROM t_producte
WHERE product_name = t1.product_name
)
SELECT t1.product_name, t1.product_volume, t1.ID
FROM t_produkte AS t1
WHERE t1.product_volume = (
SELECT MAX(product_volume)
FROM t_producte
WHERE product_name = t1.product_name
)