The same 100% natural proven formula since 1874 is still an effective treatment providing temporary relief of upper respiratory ailments produced by congestion or allergy. Vet Rx improves respiratory function by stimulating the depth of ventilation and increasing lung ventilation. The aromatic effect of one treatment often lasts several days. Formulated and packaged for most animals. Also available for cats, sheep, birds and horses. Features & details The same 100% natural proven formula since 1874 is still an effective treatment providing temporary relief Vet Rx improves respiratory function by stimulating the depth of ventilation and increasing lung ventilation The aromatic effect of one treatment often lasts several days Formulated and packaged for most animals Product information Item Weight 2.4 ounces Manufacturer GOODWINOL ASIN B0002YF9ZU Customer Reviews 4.0 out of 5 stars 328Reviews Date First Available April 21, 2006 Item Package Dimensions L x W x H 4.15 x 1.65 x 1.6 inches Item Weight 0.15 Pounds Brand Name Goodwinol Target Audience Keyword dogs, birds Manufacturer GOODWINOL