1. 1st stage pre-filter spun PP 5 micron (series ET).
2. 2nd stage GAC carbon filter (series ET).
3. 3rd stage CTO carbon block filter (series ET).
4. 4th stage TFC membrane: 50/75/100GPD.
5. 5th stage post carbon filter.
1. Portable water storage tank: 2.5 gallons. 2. With CE approved transformer 110/220VAC. 3. LED indicator (power / work / empty / full). 4. Auto shut-off when no feed water come in. 5. Wide Application: home / office / outdoor / motor home / boat. 6. Dimensions: D35 x W49 x H51 cm. 7. Weight: 14 kg.