Each sample pack contains A small sample of Pulmosure so you can smell how good it is for your calves, A £10 discount voucher for Pulmosure, A Farm-O-San Beanie to keep your head warm, and A pack of Airwaves chewing gum to keep your airways clear too! Farm-O-San Pulmosure is a complementary feed for calves, containing an essential oil that supports breathing and clearing of the airways. Farm-O-San Pulmosure also contains a natural form of vitamin E and organically bound selenium in order to support the immune function