GRINNELL CORP. 1/8X3-1/2 BLACK NIPPLE

I couldn't find any information on a product with the barcode 690291040955 reported as "GRINNELL CORP. 1/8X3-1/2 BLACK NIPPLE". It's possible that this is a private label or a specialty item that doesn't have much online presence.

However, I can suggest some possibilities:

• This product may be a customized or specialty nipple for dogs or other animals, which could explain the unusual barcode and description.
• Grinnell Corp. may be a legitimate company, but their products might not be widely available online or might not have a strong online presence.
• The price of this product is not readily available, as it seems to be a niche item.

As for warnings or concerns related to the product, I couldn't find any information that would suggest any health-related issues. However, it's always important to exercise caution when introducing new products to pets or animals, especially if they have specific dietary needs or allergies.

If this product is indeed a consumable item, such as food or supplements, there may be a health-related disclaimer associated with it. However, without more information, I couldn't find any specific disclaimers related to this product.

It's worth noting that Grinnell Corp. is actually a well-known manufacturer of dog and cat litter, not nipples for animals. The company was founded in 1897 and has since become a trusted brand in the pet care industry.

In summary, while I couldn't find much information on this specific product, it appears to be a niche item that may be related to animal care or specialty products. If you have any more questions or concerns, feel free to ask!