DN-1 (Set of 12) - Dri-nest sub-floors. This set replaces all subfloors in a MSS12R martin house.

Includes:

• 4 pcs cut-out floor trays (for center compartments)
• 8 pcs square floor trays (for outside, square compartments)

Keeps approximately 1/4" space between nest and floor to allow air circulation and application of DE (Diatenacious Earth) for parasite control or our martin house protector Protective Enzymes   product.

Made in USA.