Mix Air Tech Twister 16 & 22"- Available in 16” Diameter(1-5 SCFM ideal) or 22” Diameter (1-10 SCFM ideal) - Unique design allows fine bubble corkscrew effect - Single Twister Diffuser able to circulate Over 100,000 to 1,000,000 gallons per hour (based on 100,000 gallons/hour/SCFM) - Highest Standard Oxygen Transfer Efficiency (SOTE) - Highest Standard Aerator Efficiency (SAE) - Lowest Head Loss (HL) - Highest Mixing, Fine Bubble Diffuser available