anyone experienced using Toshiba air purifier (CAF-G31M)...? found it on Lazada price RM619...and try to compare it with Philips AC4012/02 price RM588 also from Lazada...which one is better? or better just get the common Sharp or Panasonic brand which are cover narrower area...?

1. Toshiba CAF-G31M, RM619, 33m2, 2.2-4.1 m3/min, 14-42 dB
2. Philips AC4012/02, RM588, 30m2, 128 m3/hour, 34-54 dB
3. Panasonic PXF-35A, RM799, 26m2, 1.0-3.5 m3/min, 18-44 dB
4. Sharp FUZ31E, RM569, 21m2, 60-180 m3/hour, 24-44 dB

any recommendation...? in terms of technology, its all the same rite...?