Rootscape Large Pond Aerator Diffuser – Replaces Air Stones For Ponds Pond Aerators For Large Ponds Koi Pond Aeration Filtration Accessories Pond Aerators For Outdoor Ponds Pond Diffusers Bubblers Price: $59.97 (as of 02/01/2024 23:51 PST- Details)

Anti-Clog Design – Unique materials and self-cleaning perforations maximize output and ensure consistent bubbles for years of trouble free oxygenation.
Integrated Check Valve – Protects your pump and the aeration tubes / diffusers from potential damage.
Built-in Bobber Anchor Point – For attaching a retrieval bobber that allows vertical retrieval from ponds with highly vegetated or complicated floors.