http://www.patiogardenponds.com/ Give Auto Refill B-Bath w/Base a shot; this bird bath is made of durable materials to resist corrosion and scale build-up. The water supply line is well hidden in the pedestal and offers hassle-free installation since this bath is simple to set-up. Auto Refill B-Bath w/Base automatically refills after this birdbath is emptied for cleaning; air pressure forces water from the reservoir to rise to the same height in the bird bath. Auto Refill B-Bath w/Base will last a long time with you and will not crack in winter or even in freezing temperatures; this bird bath also comes with a 3 year material and workmanship warranty to give you assurance and peace of mind.