S&K Expansion Kit for Fountain Rack with 8 Arching Arms key pin set while the shape of the

while the shape of the unit directs warmer air upward and away from the nest

Each of the 8 arms on the hub curve beautifully upward and then back downward to mimic a water spray shape

The item is compatible with the Trio Purple Martin Castle Safety System or the Nature House Mini-Castle Safety System

while providing these migratory birds lasting roosting options

Included hardware lets you add this expansion with minimal effort

S&K Expansion Kit for Fountain Rack with 8 Arching Arms key pin set while the shape of theAdd space for an additional assortment of gourds on your existing fountain rack using this S&K Expansion Kit for Fountain Rack with 8 Arching Arms. Set of four brackets, 8 arching arms, and included hardware lets you add up to 8 additional gourds to your martin house rack. This expansion kit is specifically designed to work with the S&K Fountain Rack, which slides over 1. 9" outer diameter pulley system poles (not included). Each of the 8 arms on the