Aluminum 18-Room Deluxe Purple Martin House Small (16") It creates an ultrasonic sound

It creates an ultrasonic sound wave that repels these birds without chemicals

5" H X 6" D Hole Diameter 1-1/8" Hole Above Floor 4" Construction Cedar and Poly Birds That Would Use This House Wren

thus enabling listeners to recognize distinct calls

now there’s a binocular that’s designed to go where you go

For in-store or curbside pickup orders

Aluminum 18-Room Deluxe Purple Martin House Small (16") It creates an ultrasonic soundThe 18 room Deluxe Martin House. includes door stops and protective rails. Tough and long lasting lightweight aluminum. The hexagonal design is both functional and artistically attractive. As the colony grows, so can the house; just add a unit. Mounting Pole sold separately. House assembly is required!