Nycon Plastic Koi Kastles for Fish Protection Size:7.5" x 5.5" x 4" Mesh bags not included

Mesh bags not included

Beneficial bacteria convert ammonia into harmless compounds

AquaDyne Retrofit Bottom Drains with Air Diffuser offer a quality innovation for a stable and rugged over-the-liner bottom drain for those who do not want to install a drain through a liner -- or for pre-constructed ponds that do not have a bottom drain

Detoxifies chloramine and neutralizes toxic ammonia

5" AquaBead 6

Nycon Plastic Koi Kastles for Fish Protection Size:7.5" x 5.5" x 4" Mesh bags not includedNycon Koi Kastles provide Koi and other fish protection from predators, and are easy and quick to install! The minute the Koi Kastle arrives, your fish can have protection. Gives refuge to Koi and other prized fish, while also providing a cool, shady spot in your pond during hot summers. Smaller sizes can even be used in aquariums. SKU Dimensions Material KK 03 21. 5" x 12" x 9" Molded Black Plastic KK 04 13" x 7" x 6" KK 05 7. 5" x 5. 5" x 4"