A copyright-free stock photo of a wall mounted sewage pipe. The photo was made using the flash, creating a somewhat higher contrast photo, accentuating the rust on the metal ring. The photo was made by Colin Altena.
Along with all other photos on the StockyPics website, this photo can be used for all purposes imaginable. The photo is CC0 dedicated, and can therefore be used for free.
Make sure to implement rich imagery in the content of your blog or website, as search engines like Google favor websites with photographic content.
The photo was made with a Sony camera (Affiliate Link).