2 Piece Purple Martin Gourd – 4 Pack

If you’ve enlarged your Purple Martin Trio House compartments from the standard 6 x 6 inch floors to the roomier 6 x 12 that martins prefer, the crescent entrance in this replacement door will help to prevent the nesting of starlings. Crescent entrance hole measures 1-3/16 inch x 3 inch. The replacement door fits Trio Castle, Mini-Castle, Musselman, Grandpa, Grandma, and Wade. 

• Made of aluminum 
• Made in the USA