If you've enlarged your Trio house Compartments from the standard 6 x 6 inch floors to the roomier 6 x 12 that martins prefer, the crescent entrances in these new replacement doors will help to prevent the nesting of starlings.
Additional Product Details
- Product Weight: 0.20 .lbs
- Dimensions: 0.50(D) x 6.00(W) x 6.00(H)
- Product UPC: 645194775350