The Ideal-Air Dehumidifiers are now rated at AHAM standards (80?F, 60% Relative Humidity). There is no change to the unit itself, only to the temperature and humidity at which the reading is being taken from. Previously they were rated at a higher temperature and humidity level based on hydroponic industry standard usage (86?F, 80% Relative Humidity). They will now be rated at AHAM standards based on the recent US Department of Energy ruling. 700830 – Previously 30 Pint @ 86?F, 80% RH, now 22 Pint @ 80?F, 60% RH 700826 – Previously 50 Pint @ 86?F, 80% RH, now 30 Pint @ 80?F, 60% RH 700830 – Previously 80 Pint @ 86?F, 80% RH, now 50 Pint @ 80?F, 60% RH Quick maintenance with easy filter access that is removable and washable. Low temperature defrosting. Easy to move with built-in handles and wheels. Easy-to-use LED display panel. Removable water tank with an automatic shutoff when reservoir is full. The reservoir for the dehumidifiers is 6 liters or 12.5 pints. Can be plumbed for permanent drainage. 22 Pint is 4.0 Amps/420 W. 30 Pint is 4.7 Amps/520 W. 50 Pint is 6.9 Amps/720 W. 115 V.