Thunder Parts ECD270-E | 9” EPDM Fine Bubble Disc Diffuser – Aerators for Ponds, Aquarium or Water Treatment | SSI Aeration Original (1 Pack) Price: $29.99 (as of 02/01/2024 23:51 PST- Details)

ECD270-E 9” EPDM is equivalent to Matala air disc diffuser 9″ (BHB-MD225)
Aeration Applications in Ponds, Aquariums, Wastewater Treatment, Lakes, Dock Deicing. Perfect for Aquaculture farming including fish, mollusks, crustaceans and aquatic plants.
Dock De-icing – Aeration prevents water from freezing