0Cart

Water Filtration & Treatment

Pre-Filters
Sort by:
Price: High to Low
Show:
20
Save 18%
GrowoniX GX200 High-Flow Reverse Osmosis Filtration System | 2:1 System Ratio - 8.5gph of Pure RO Water - Stainless Steel Liquid-Filled Pressure Gauge
Out of stock
$335.66 $411.68 -18%
Save 13%
GrowoniX UV Sterilization Filter with Quick-Connect | 2gpm - 3/8in Quick-Connect- 120V AC Power - Destroys 99.9% of Micro-Organisms
Out of stock
$299.46 $344.05 -13%
AXEON HYDRO RO Hyperfiltration Membranes, 2-Pack
In stock
$279.86 $399.00 -30%
Save 11%
HydroLogic Hydroid Replacement Encapsulated Prefilter
In stock
$271.52 $304.45 -11%
Save 12%
HydroLogic Stealth-RO Pressure Booster Pump - 110V
In stock
$268.00 $305.55 -12%
Save 18%
GrowoniX EX200 High-Flow Reverse Osmosis Filtration System | 2:1 System Ratio - 8.5gph of Pure RO Water - Stainless Steel Liquid-Filled Pressure Gauge - Manu...
Out of stock
$257.98 $316.39 -18%
Save 11%
HydroLogic Hydroid FRP Housings
Out of stock
$249.07 $279.29 -11%
Save 17%
GrowoniX SlimScrub Water Filtration System | 120gph - 16,000gal Capacity - Filters out 99% of Chlorine and 90% of Sediment - Includes KDF/CAT Carbon Filter
Out of stock
$248.14 $297.85 -17%
Save 18%
HydroLogic Stealth-RO 150 Water Filtration System - 150 GPD
In stock
$240.13 $291.71 -18%
General Hydroponics PRO pH Down - 6gal
In stock
$236.63 $348.72 -32%
General Hydroponics PRO pH Up - 6gal
In stock
$236.63 $348.72 -32%
Save 18%
HydroLogic Evolution-RO 1000 Membrane Element - 600 GPD
In stock
$234.77 $285.18 -18%
Save 16%
HydroLogic ARCS System Stage 2 Replacement Cartridge - Stage 2 - Heavy Metal Reduction Filter
In stock
$210.95 $251.21 -16%
Save 16%
HydroLogic TALLBoy De-Chlorinator and Sediment Water Filtration System - 2 GPM - 5 Micron
In stock
$204.12 $243.08 -16%
Save 18%
HydroLogic HyperLogic Membrane Cleaning Cartridge Acid Scale Removal - 4.5in x 20in - Single Use
Out of stock
$197.89 $240.50 -18%
Save 11%
HydroLogic Evolution-RO 1000 Manifold
In stock
$191.10 $214.29 -11%
Save 12%
AXEON HYDRO RO EZ-Twist Sediment and Carbon Cartridges, 3-pack
In stock
$175.37 $199.00 -12%
AXEON – Big Switch Series Float Switch, 220V
In stock
$173.60 $216.23 -20%
Save 13%
GrowoniX UV Sterilization Filter with Quick-Connect | 1gpm - 1/4in Quick-Connect - 120V AC Power - Destroys 99.9% of Micro-Organisms
Out of stock
$171.15 $196.63 -13%
Save 13%
GrowoniX Mini Scrub Water Filtration System | 60gph - 8,000gal Capacity - Filters out 99% of Chlorine and 90% of Sediment - NSF Listed - Includes KDF/CAT Car...
Out of stock
$170.82 $197.26 -13%
Show another 20 products
Product filters
Free Shipping
In Stock
Price
$
–
$
  • $2
  • $93740
Shop Owner
Brand
    Show all (17)