The Cedar Bluebird House with a Viewing Window is available from BestNest.
The Nature’s Way Cedar Bluebird House with a Viewing Window is one of the best examples of a nest box that has all the details to make it a preferred product, including a unique clear plastic viewing window inside the opening wood panel so you can easily monitor nest box activities. Another quality addition is a screen base that rests on the floor that keeps the nest above the floor, providing a number of advantages for the nesting birds. Cedar wood is one of the most protective material options, and cedar weathers into natural color over the years.
The Cedar Bluebird House with a Viewing Window is available from BestNest at https://www.bestnest.com/bestnest/RTProduct.asp?SKU=NWB-CWH4 along with a selection of many other nest boxes.