Purina pro plan veterinary diets feline ur st ox urinary is formulated to prevent the formation of new struvite stones and oxalate crystals and dissolve existing struvite stones, making it ideal for cats that suffer from urinary tract diseases or struvite stones'. '.strtoupper('t')his wet food is prepared with chunks of delicious salmon in gravy and has a moderate calorie content, which helps your cat to maintain a healthy weight'. '.strtoupper('p')urina veterinary diets feline ur also has a low magnesium content, which can help prevent the formation of new struvite stones and oxalate crystals and dissolve existing struvite stones'. '.strtoupper('t')his delicious wet food is perfect for daily feeding'. '.strtoupper('p')urina pro plan veterinary diets feline ur urinary salmon at a glance dietetic wet food for adults cat helps to prevent urinary tract diseases and and dissolve urinary stones'. '.strtoupper('l')ow magnesium content can help aid the dissolution of struvite stones and prevent the formation of new struvite stones and oxalate crystals adapted calorie content can help to maintain a healthy weight with tasty salmon tender chunks in gravy for high acceptance practical packaging 10 x 85g pouches contraindications not suitable for pregnant or lactating cats and kittens, or cats with renal illness.