Oceanic Hydroponic Workhorse Reverse Osmosis water Filter system 1000 GPD Made in USA. OCEANIC HYDOPONIC REVERSE OSMOSIS Water filter system CUSTOMIZE FOR HYDROPONIC USE. 2 BIG BLUE 20 HOUSING color of housing could be blue. 1ST STAGE SEDIMENT 4.5″ X 20″ SEDIMENT FILTER. 2ND STAGE CARBON BLOCK FILTER 4.5″ X 20″. 3RD STAGE EXTRA LOW ENERGY MEMBRANE 1000 GPD. STAINLESS STEEL MEMBRANE HOUSING. NEEDLE VALVE FOR WASTE WATER. BALL VALVE FOR FEED WATER. 1:1 WASTE RATIO. FINE TUNE THE WASTE PRODUCT RATIO-EASILY. Track Page Views With. Auctiva’s FREE Counter. The item “Premier Whole House- Hydroponic Reverse OsmosisWater Filter System 1000 GPD” is in sale since Thursday, July 18, 2013. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Gardening Supplies\Hydroponics & Seed Starting\Environmental Controls”. The seller is “dhillonnoni” and is located in Canyon Country, California. This item can be shipped worldwide.