This lighter version of the 5 stage cart is optimal for areas with naturally softer water. The 3 stages include:

1. Sediment/Carbon Pre-Filtration
2. RO Filter (water "scrubber")
3. DI cartridge (water "polisher")

Inline TDS meter - Measures water after RO and DI

Electric Motor/Pump Assembly

30' Power Cord with GFI Switch

Buy one!