Features:

HIGH EFFICIENT FILTRATION-6-Stage Under-Sink Reverse Osmosis Drinking Water Filtration System with Mineral Filter which add various mineral in water and NSF certificated Thin-film composite RO membrane filters down to 0.0001 micron,Reduce 99% contaminant ,including Heavy Metal Arsenic, Lead ,Mercury ,Fluoride, Hardness, Cadmium, Chlorine,Taste,Odor,Asbestos,Hydrocarbons,Cyanide,Trivalent chromium and more 1000+ contaminants.
 
HIGH QUALITY- All tube, fittings, storage tank,Ro membrane complies with NSF/ANSI standard 58 to provide healthy, safe, and pure water, NSF certificated LEAD FREE deluxe kitchen sink faucet as last pure water guarantee in your home.
 
EASY&CONVENIENT-Streamlined DIY filter installation; fits most under sink cabinets, the ratio of pure water and waste water is 1:2.
 
RESPONSABLE MANUFACTURER- ISO9001:2008 certificated Manufacturer ,also Member of Water Quality Association (WQA).
 
Warranty-1year limited Product quality and service guarantee.

Specification: 
FEED WATER PRESSURE: 40 - 100 PSI
TEMPERATE:40-110°F/5-45°C
PH:3.0 -11.0
MAX TDS :1000 PPM
TURBIDITY < 1.0 NTU
MAX SDI <4.0
HARDNESS < 5 GPG
IRON <0.1
MANGANSESE <0.05
Shelf life: 3 Years

More valuable information: 
✪What is dimension of installed Geekpure RO5? 
RO unit:14.20”x 6.2”x18.1”. 
Storage tank: Diameter 9.45”xHeight 14.4”. 
weight:25lb 

✪What is 6 stage filter and function? 
the 1st stage: PP spun filter, Remove sand, dirt, sediment. 
the 2nd stage: Granular carbon filter, Remove chlorine, taste & odors, very fine particulates
the 3rd stage: Carbon block filter, Further remove chlorine, taste & odors, very fine particulates
the 4th stage: TFC Ro membrane, Reduce 99% total dissolved minerals, heavy metal, Arsenic, Mercury, Iron, lead ,Fluoride and 1000+ contaminants .
the 5th stage:Acid washed coconut carbon filter, Polish water for refined taste.
the 6th stage:Mineral filter,add various mineral in water.
✪Where can I buy replace filters? 
In geekpure store on ebay.
✪What is in the box? 
1SET filters (6 pieces filters),faucet,diverter valve,storage tank,2 pieces wrench,some fittings,water pipe,clips,drain clamp,teflon tape and so on.
✪BPA free?
Yes, BPA free and Lead free faucet . 

Note: 
1.It Is Recommended to Wait Until the Entire System Is Pressurized (Including Storage Tank&Faucet) and Re-Check for Any Leaks Before Leaving Installation Site. 
2.It Is Normal for Some Black Carbon Fines to Appear in The Water When Emptying the First 2 Tanks of Water. The First 2 Tanks of Water Produced Should be Emptied and Not Used. 
3.Push the Tubing All the Way in and Use Teflon Tape During Installation.