*PLUMBERSSTOCK EXPERT* responded:
Hello, William! We appreciate you seeking answers from us regarding our Grohe 07379SA1 Universal Rubber Diaphragm. This diaphragm measures about 1" in length and has a width of about 3/4". Sorry to hear about your experience. If this can be of any help, this universal diaphragm will work with the Grohe 46173SD spray head. If this is your spray head's model number, then it would be safe for you to purchase this item. Just click Add To Cart and fill in the required fields to start placing an order. But if your spray head is not the model mentioned, please let us know the model number of your spray head so we can help you find the correct universal rubber diaphragm. Feel free to contact us at 435-868-4020 or send us and email at firstname.lastname@example.org. Thank you for visiting plumbersstock.com - your #1 online store for everything plumbing-related!