These handy Trio subfloors raise nests 1/4” above floors for extra drainage.
This will keep the nests and nestling martins drier.
Sold in packs of 12.
DN1 is for Trio Safety System 12 MSS12
Trio Wade TW12
DN2 is for Trio Grandma / Martin Safety System TG8
Castle PMC24CP (2 packs required)
DN3 (not shown) is for Musselman / Pioneer M12K