Check the listing for details. AFD350-E Disc Diffuser 12″ | 270 mm | EPDM | SSI Aeration *Original*. Condition: New. Listed at 59.99 USD. AFD350-E | 12″ inch Disc Diffuser | EPDM Membrane Product Description AFD350-E | Air Disc Diffuser 3/4 NPT Connection | EPDM Membrane • Design Flow: 2.5 - 5.0 SCFM (4.2 - 8.3 Sm3 /hr). • Flow Range: 0 - 12 SCFM (0 - 20 Sm3 /hr). • EPDM membrane • Active Surface Area: 0.700 ft 2 (0.065 m2). • Weight: 3.0Lbs. (1.4 Kg) More economical but as efficient as a 9" (270mm) disc diffuser. AFD350 has an even lower headloss than AFD270, often resulting in the highest SAE (kgO2/kWh) when compared to other fine bubble diffusers. FINE BUBBLE DISC DIFFUSERS SSI Aeration Fine SSI Bubble Diffusers combine engineering excellence, superior component quality, and a technically advanced product design. Proven highly durable and efficient in thousands of municipal and industrial installations around the world, these advanced systems have reliability built into every stage of performance. Wide variety of uses including: Fish Farms (Aquaculture), Water Treatment Plants (WWTP), Aeration, Agitation with High efficiency low cost oxygen transfer as its main goal. Water Aeration prevents water from freezing, oxygenates water, helps keeps plants and animals in the water alive. Life by Air supplies aeration kits and equipment for all types of water bodies and applications. Oxygen transfer for Pond, Lakes, Aquariums, Canals, Commercial Fish Farms, Koi Fish Tanks, Aquaculture, Shrimp Farms, Pool Ponds and more. In aquatic environments like fish ponds, aquariums, lakes or aquaculture projects, oxygen is the single most limiting factor for success | Aeration keeps plants and animals in the water alive | Contact Life by Air for more information. Life by Air is your specialized store for all products related to air flow and aeration. We provide top brands for pumps, blowers, diffusers, weighted hoses, nozzles and many more products that will optimize the use of water and air for your pond, pool or any source of water you have. Contact us for more information (también hablamos español). SHIPPING How long does shipping take? If we have the part in stock, it ships the same day. If we don't have the part in stock, it usually takes a week for you to receive the part. Do you ship internationally? Yes we do. We ship our products anywhere in the world!! Please make sure to provide you complete address and shipping instruction. If you have a UPS, DHL or other accounts we can use them for your shipment. Copyright © Life by Air | All Rights Reserved