CESFRE Premium Circle Diffuser for Fish Tank, Koi Pond, Hydroponics, Outdoor Lake Aeration Ring - Koi Pond Air Diffuser Weighted (Triple Ring/Dia.13.8‘’)
- -Japanese breeders use these Japanese aeration rings for their koi ponds to prevent dangerous oxygen depletion in both summer and winter. They can also be used for aquariums.
- -No additional weights are needed as they are self-sinking, ensuring no risk of injury to the fish/koi.
- -They provide excellent dispersion of air bubbles due to low internal resistance, resulting in minimal clogging or wear.
- -With a 0.2'' thick hose, they are highly durable and long-lasting. Additionally, all models come with an extra 16.5FT air hose measuring 0.3''.
- -These rings are ideal for providing aeration in filter chambers and for use in fluidized and moving bed reactors.