Fans with four blades

mini fan, 5 W, 45 dB, speeds: 3 pcs, battery

desktop, 25 W, speeds: 2 pcs

desktop, 25 W, speeds: 2 pcs

floor, 25 W

desktop, 35 W, 60 dB, speeds: 3 pcs, oscillating

desktop, 35 W, speeds: 3 pcs, oscillating

desktop, 35 W, speeds: 3 pcs, oscillating

desktop, 30 W, speeds: 3 pcs, oscillating

floor, 35 W, speeds: 3 pcs, oscillating

floor standing, 50 W, 64 dB, speeds: 3 pcs, oscillating

desktop, 40 W, speeds: 3 pcs, oscillating

desktop, 35 W, 59 dB, speeds: 3 pcs, oscillating

desktop, 45 W, speeds: 3 pcs, oscillating

desktop, 35 W, speeds: 3 pcs, oscillating

floor standing, 50 W, 67 dB, speeds: 3 pcs, oscillating

floor, 50 W, 53 dB, speeds: 2 pcs

desktop, 40 W, 46 dB, speeds: 2 pcs

floor standing, 30 W, 52 dB, speeds: 3 pcs, oscillating

floor standing, 50 W, 64 dB, speeds: 3 pcs, oscillating

floor standing, 50 W, speeds: 3 pcs, oscillating

floor standing, 50 W, speeds: 3 pcs, oscillating

floor standing, 50 W, 63 dB, speeds: 3 pcs, oscillating

floor standing, 40 W, speeds: 3 pcs, oscillating

floor standing, 50 W, speeds: 3 pcs, oscillating