Vortex Faucet Product Overview We currently have three (3) standard sizes for the basic Frigid-X® vortex tube – mini size (small size) using 2, 4 or 8 SCFM, the most common size (medium size) using 10, 15, 25, 30 and 40 SCFM, and large sizes use 50, 75, 100 and 150 SCFM. The large size … Đọc tiếp Vortex Faucet