The british made meripac complete window feeder is a window feeder with the addition of two fat ball holders it has 3 sided open access making it easier and safer for birds r r this bird feeder holds water as well as food and has a removable bird perching stripthe feeding area is split in two with a removable divider so two different seeds can be put in the feeder at the same time the feeder is detachable which makes for simpler fixing cleaning and filling a safety system retains the feede