Specifically designed to generate small volumes of clean water on demand, this 2-stage system is one of the most economical RO systems in the world! Includes a single heavy-duty carbon block to eliminate chlorine and assure good RO membrane life. Hydrofarm TFC membrane element Heavy-duty wall mounting bracket Made in the USA Up to 80 GPD -- depending on water pressure Filter Replacement Recommendations: MEMBRANE ELEMENT – 6 months to 1 year SEDIMENT/CARBON COMBO FILTER – 2000 gallons (including waste water) Replacement filters are AARO701 and AARO610 *Please note that simple RO systems cannot make non-potable water safe for human consumption. Please calls us for information on systems for non-potable water filtration.