Bluebird Nest Lift
Keeps nests dry and safe! Simply place in bottom of bird house.
Helps control blow flies, parasites, and other nesting problems.
Helps to ensure more viable eggs hatch.
Actual dimensions are 4 1/8" x 4 3/8" x 1 1/8"
Note: This product does not fit the Stovall Ultimate Blue Bird House with Viewing Window. Please measure the interior floor dimensions of your box before ordering.