Bird B Gone MMPOND-12PK Pond Defender Plastic Disc, Pack-12 Nail Sets 5/16" and 3/8")

5/16" and 3/8")

Convert 9/16" left hand male thread x 1"- 20 male throwaway cylinder thread

Accommodating for fuller plants

3/8" and 7/16"

American pattern

Bird B Gone MMPOND-12PK Pond Defender Plastic Disc, Pack-12 Nail Sets 5/16" and 3/8")Pond Defender by Bird B Gone are U. V. protected plastic discs that float just below the surface of you pond or water garden, creating a shelter for pond fish like KOI against predators. Highlights: Protects expensive pond fish like Koi from predators Easy to install Will fit any size pond Discs can be removed and replaced for pond maintenance Plants will grow through pond defender openings Will sit and float just below the surface of the pond Will