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Pumps, Irrigation & Watering Supplies: Water Filters, Reverse Osmosis (RO) Systems: Water Filtration, Reverse Osmosis (RO) Systems, etc.

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Displaying 21 to 40 (of 282 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  [Next >>] 
 Sort by Popularity+   Manufacturer   Product(s)   Model   Price   Buy Now 
 600 Gallon/Day Reverse Osmosis Filter      600 Gallon/Day Reverse Osmosis Filter 
600 Gallon/Day Reverse Osmosis Filter Designed to flow 25 GPH (Gallons Per Hour) of pure RO water. Utilizing the best membrane technology in the world, mounted on locking casters, and wrapped in our EX Series patented bracketing system; our EX600 will change the way you look at RO. A pair of liquid-filled stainless steel pressure gauges tell you when it’s time to change the pre-fil... — Ships from Livermore, California USA Free Shipping when ordering $50 or more of qualifying items....more.
 dl-GOEX600   $678.32 
 Active Aqua  10" Carbon and Sediment Combo Filter      Active Aqua 10" Carbon and Sediment Combo Filter 
10" Carbon and Sediment Combo Filter... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-AARO315   $4.96 
 Active Aqua 20" Carbon Block Filter   HydroFarm   Active Aqua 20" Carbon Block Filter 
20" Carbon Block Filter Even a small amount of chlorine can destroy your RO membrane. This carbon block filter removes chlorine before it can do any damage. Rated for approx. 3,750 gallons of water at 2 ppm chlorine. Great for removal of VOCs (volatile organic compounds), herbicides, pesticides, and other contaminants. Works with residential and commercial water purification syste... — Ships from Seattle, Washington USA...more.
 eco-2384   $22.66 
 Active Aqua 20" De-Chlorination System   HydroFarm   Active Aqua 20" De-Chlorination System 
Active Aqua Active Aqua 20" De-Chlorination System (AARO420)Comes complete with a 20" sediment and 20" carbon filter to remove chlorine and sediment from water source. • Two stage 20" filter that will easily mount to the wall• Eliminates 99% of chlorine and 97% of the sediment from water• Includes feed adaptor, shut-off valve, filter wrench and instructions• Mad... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-AARO420   $121.34 
 Active Aqua 20" RO-De Chlorination System   HydroFarm   Active Aqua 20" RO-De Chlorination System 
Active Aqua 20" De-Chlorination System Comes complete with a 10" sediment and 10" carbon filter to remove chlorine and sediment from water source. • Two stage 10" filter that will easily mount to the wall• Eliminates 99% of chlorine and 97% of the sediment from water• Includes feed adaptor, shut-off valve, filter wrench and instructions• Made in the USA• 3 year limited warranty ... — Ships from Seattle, Washington USA...more.
 eco-2380   $124.40 
 Active Aqua Add On 100 GPD RO Membrane   HydroFarm   Active Aqua Add On 100 GPD RO Membrane 
Add On 100 GPD RO Membrane A true thin film composite (TFC) reverse osmosis membrane, made from TFC sheets - tested and proven to be the best material available for membrane applications. Rated for 100 or 150 gallons per day with a stabilized salt rejection of 98.6%. Fits most standard RO membrane housings. SKU: AARO705 ... — Ships from Seattle, Washington USA...more.
 eco-2387   $53.40 
 Active Aqua High Pressure Automatic Shutoff with Back Flow Preventer   HydroFarm   Active Aqua High Pressure Automatic Shutoff with Back Flow Preventer 
High Pressure Automatic Shutoff Valve with Back Flow Preventer High Pressure Automatic Shutoff (ASO) Valve. ***Sold as a kit, This product will only work when used in conjunction with a check valve (Back flow preventer, Included in kit)*** This High Pressure ASO is designed to shut off at 60% of line pressure and has built-in ports for Quick Connect 1/4" polyethylene tubing conn... — Ships from Seattle, Washington USA...more.
 eco-2392   $27.05 
 Add On 100 GPD RO Membrane   HydroFarm   Add On 100 GPD RO Membrane 
Active Aqua Add On 100 GPD RO Membrane (AARO705)A true thin film composite (TFC) reverse osmosis membrane, made from TFC sheets - tested and proven to be the best material available for membrane applications. Rated for 100 or 150 gallons per day with a stabilized salt rejection of 98.6%. Fits most standard RO membrane housings. Manufact... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-AARO705   $52.09 
 Add On De-Ionization Kit for Evolution-RO 1000 - 4.5"x1   Hydro-Logic   Add On De-Ionization Kit for Evolution-RO 1000 - 4.5"x1 
Hydro-Logic Add On De-Ionization Kit for Evolution-RO 1000 - 4.5"x1 (HL33006)A post polishing de-ionization filter that removes any remaining PPMs down to zero. Manufacturer's Product Information MSRP each $199.95 UPC812111011420 Dimensions3.25 x 13.25 x 5.5 ... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HL33006   $153.51 
 Algae block clear filter housing sleeve   Hydro-Logic   Algae block clear filter housing sleeve 
Hydro-Logic Algae block clear filter housing sleeve (HL26009)Use the Hydrologic reverse osmosis water filter Algae Block - clear filter housing sleeve to customize your indoor hydroponic garden. Manufacturer's Product Information MSRP each $12.95 UPC812111010614 Di... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HL26009   $9.82 
 Big Boy 20" Filter Housing   Hydro-Logic   Big Boy 20" Filter Housing 
Hydro-Logic Big Boy 20" Filter Housing (HL23010)Big Boy - 20"x4.5" filter housing - grey/black cap - 1" ports Manufacturer's Product Information MSRP each $89 UPC812111011703 Dimensions6.5 x 6.5 x 26.13 ... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HL23010   $64.26 
 Big Boy Carbon Filter   Hydro-Logic   Big Boy Carbon Filter 
Hydro-Logic Big Boy Carbon Filter (HLCCBF)Keep your air fresh, your equipment in tip top shape, and your grow room at its best by making the commitment to exchange your filters. This carbon filter works with the Big Boy water filtration system and slips in easily to replace the one that came with your unit or additional replacements along the way. Why change filters? Prevent dust,... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HLCCBF   $57.12 
 Big Boy Extra High Flow 420 GPH   Hydro-Logic   Big Boy Extra High Flow 420 GPH 
Hydro-Logic Big Boy Extra High Flow 420 GPH (HLBB)Ultra high capacity instant de-chlorinator. Removes 99% of chlorine and 90% of sediment. Comes with cleanable sediment filter and in/out pressure gauges to monitor when to change filters. Can be used as a whole house filter or stand alone. Filter capacity of 25,000 gallons. High flow rate of 7 gallons per minute or 420 gallons per h... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HLBB   $312.97 
 Big Boy KDF85 Carbon Filter   Hydro-Logic   Big Boy KDF85 Carbon Filter 
Hydro-Logic Big Boy KDF85 Carbon Filter (HLBBKDF85)Hydro Logic Big Boy KDF85 Carbon Replacement Filter-The KDF85 Filter is ideal for well water users with iron and sulfur and city water users with chloramines. Manufacturer's Product Information MSRP each $127.95 UPC81211... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HLBBKDF85   $94.01 
 Big Boy UV Sterilizer Mounting   Hydro-Logic   Big Boy UV Sterilizer Mounting 
Hydro-Logic Big Boy UV Sterilizer Mounting (HL26015)UV Sterilizer Kit - Big Boy - 8 GPM with ballast and wall mounting clips Manufacturer's Product Information MSRP each $45 UPC812111011383 Dimensions5 x 1 x 5 ... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HL26015   $36.89 
 De-Ionization Cartridge - color changing   Hydro-Logic   De-Ionization Cartridge - color changing 
Hydro-Logic De-Ionization Cartridge - color changing (HL22017)De-Ionization Cartridge (Big): 10" X 4.5"- Color changing- Transluscent housing   Manufacturer's Product Information MSRP each $79.95 UPC812111010379 Dimensions2 x 6 x 2 Case Weight15 Ca... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HL22017   $62.83 
 DM-2 Industrial Dual TDS Monitor   Hydro-Logic   DM-2 Industrial Dual TDS Monitor 
Hydro-Logic DM-2 Industrial Dual TDS Monitor (HLTDS)Measure the untreated water coming in vs. the purified water going out of your Reverse Osmosis system at any time. This is important in determining when the RO membranes need to be changed.Auto-Off function conserves battery power. The unit shuts off automatically after 20 seconds. 90 ppm, the resolution is in 10 ppm increments, i... Note: Calibration Buffer Solutions are available separately. — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HLTDS   $53.55 
 Dual Inline TDS Meter   HydroFarm   Dual Inline TDS Meter 
Active Aqua Dual Inline TDS Meter (AARO708)Dual range meter displays TDS levels of feed water and product water with in and out electrode probes. Highly efficient and accurate microprocessor technology. • Automatically shuts itself off after 10 minutes of non-use.• Dual range 0-9990 ppm (from 0-999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ... Note: Calibration Buffer Solutions are available separately. — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-AARO708   $35.66 
 ECO-SPRING 4 STAGE CARTRIDGE FILTER (Special Order)   Hydro-Logic   ECO-SPRING 4 STAGE CARTRIDGE FILTER (Special Order) 
Hydro Logic™ Eco-Spring™ Home Water Purifier Pure spring water produced at home easily. Simple yearly replacement of main 4 stage cartridge and post filter no complicated replacement schedule for multiple filters. No mess, no spill maintenance due to sealed cartridges. No tools required! Revolutionary Filter System 30% faster flow rate from included faucet.... — Ships separately from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 728965   $118.30 
 Eco-Spring Residential Drinking RO Filter   HydroFarm   Eco-Spring Residential Drinking RO Filter 
Hydro-Logic Eco-Spring Residential Drinking RO Filter (HLES)Pure spring water produced at home easily! * Simple yearly replacement of main 4 stage cartridge and post filter no complicated replacement schedule for multiple filters. * No mess, no spill maintenance due to sealed cartridges. No tools required! Revolutionary Filter System * 30% faster f... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HLES   $276.08 
Displaying 21 to 40 (of 282 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  [Next >>] 
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ROOT TRAPPER II 30 GALLON
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MANY ITEMS FAR BELOW COST - while quantities last

2" Neoprene Disk.
2" Neoprene Disk.
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Most Viewed in Water Filtration, Reverse Osmosis (RO) Systems, etc.
HYDRO-LOGIC™ STEALTH 100
HYDRO-LOGIC™ STEALTH 100
HYDRO-LOGIC™  SMALL BOY
HYDRO-LOGIC™ SMALL BOY
HYDRO-LOGIC™ STEALTH 200
HYDRO-LOGIC™ STEALTH 200
HYDRO-LOGIC™ FLOWMASTER FLOW METER (SPECIAL ORDER ONLY)
HYDRO-LOGIC™ FLOWMASTER FLOW METER (SPECIAL ORDER ONLY)
HYDRO-LOGIC™ TALL BOY
HYDRO-LOGIC™ TALL BOY
HYDRO-LOGIC STEALTH CARBON FILTER
HYDRO-LOGIC STEALTH CARBON FILTER
HYDRO-LOGIC STEALTH MEMBRANE
HYDRO-LOGIC STEALTH MEMBRANE
HYDRO-LOGIC™ MERLIN GP PRESSURE BOOSTER PUMP (SPECIAL ORDER ONLY)
HYDRO-LOGIC™ MERLIN GP PRESSURE BOOSTER PUMP (SPECIAL ORDER ONLY)
HYDRO-LOGIC™ STEALTH FLOAT VALVE 1/4"
HYDRO-LOGIC™ STEALTH FLOAT VALVE 1/4"
HYDRO-LOGIC STEALTH SEDIMENT FILTER
HYDRO-LOGIC STEALTH SEDIMENT FILTER
UV STERILIZER FOR MERLIN GARDEN PRO (Special Order)
UV STERILIZER FOR MERLIN GARDEN PRO (Special Order)
HYDRO-LOGIC TALL BOY/BLUE SEDIMENT FILTER - 20"
HYDRO-LOGIC TALL BOY/BLUE SEDIMENT FILTER - 20"
HYDRO-LOGIC TALL BOY/BLUE CARBON FILTER - 20"
HYDRO-LOGIC TALL BOY/BLUE CARBON FILTER - 20"
BIG BOY DE-CLORINATOR/SEDIMENT FILTER
BIG BOY DE-CLORINATOR/SEDIMENT FILTER
HYDRO-LOGIC MERLIN GP CARBON FILTER
HYDRO-LOGIC MERLIN GP CARBON FILTER
3/8" QC TO GARDEN HOSE CONNECTOR
3/8" QC TO GARDEN HOSE CONNECTOR
HYDRO-LOGIC MERLIN GP MEMBRANE
HYDRO-LOGIC MERLIN GP MEMBRANE
HYDRO-LOGIC SMALL BOY SEDIMENT FILTER - 10"
HYDRO-LOGIC SMALL BOY SEDIMENT FILTER - 10"
1/4" QC TO GARDEN HOSE CONNECTOR
1/4" QC TO GARDEN HOSE CONNECTOR
Hydro-logic Evolution RO1000
Hydro-logic Evolution RO1000
Bestsellers
01.HYDRO-LOGIC™ STEALTH 100
02.HYDRO-LOGIC STEALTH SEDIMENT FILTER
03.HYDRO-LOGIC™ STEALTH 200
04.HYDRO-LOGIC STEALTH MEMBRANE
05.HYDRO-LOGIC™ STEALTH FLOAT VALVE 1/4"
06.HYDRO-LOGIC STEALTH CARBON FILTER
07.HYDRO-LOGIC™ FLOWMASTER FLOW METER (SPECIAL ORDER ONLY)
08.HYDRO-LOGIC™ SMALL BOY
09.3/8" QC TO GARDEN HOSE CONNECTOR
10.HYDRO-LOGIC TALL BOY/BLUE SEDIMENT FILTER - 20"
11.FLOAT VALVE 3/8" FOR TALL BOY
12.Hydro-logic Evolution RO1000
13.Hydro-logic Algae Block Sleeve
14.HYDRO-LOGIC TALL BOY/BLUE CARBON FILTER - 20"
15.KDF85 FILTER FOR STEALTH & SMALLBOY (Special Order)
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