Hydro-logic HydrologicTM Stealth Compatible Membrane, 150 GPD

Special Price $40.99 Regular Price $54.99
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Hydro-logic HydrologicTM Stealth Compatible Membrane, 150 GPD is available to buy in increments of 1
  • Hydro-logic Hydro-logicTM Stealth Compatible Membrane, 150 GPD
  • Standard equipment membranes compatible for Hydro Logic's reverse osmosis water treatment systems
  • Available as a replacement part and will also fit most competitors' RO systems
  • Helps to keep your water filtration system in tip top shape
  • Stealth Membrane is a compatible replacement part for Hydro-logic's Stealth 300 Reverse Osmosis System

Hydro-logic Hydro-logicTM Stealth Compatible Membrane, 150 GPD

These membranes are compatible for the standard equipment in our SP, CHP, MPRO, MPDI RO/DI, and the MPDW Drinking Water Systems.

The Standard Membrane is also available as a replacement option for most competitors' reverse osmosis systems.**Please note this is a compatible spare part and the manufacturers' names, photos and part numbers have been used for reference purposes only.


  • 98+% PPM Rejection
  • Rated at 2 GPM
  • Filters up to 150 GPD (gallons per day)
  • Replace between 6 months to 2 years


  1. Test the RO and source/inlet water to see what percentage of the inlet water’s PPM the Stealth-RO150 is filtering out (rejection %). You should see approximately 98% of the inlet PPMs being removed when the membrane is new. If the rejection % falls under an acceptable level (typically 90%) it’s time to change the membrane
  2. When the flow rate of the product water slows down significantly. This can also happen if your pre-filters are clogged. If you change your pre-filters and the product water still flows slowly then it’s an indication you need a new membrane. 

Flow rates of RO systems are based on source water @ 65 psi / 77° / 500 ppm


  • Membrane Type: Thin Film Composite
  • Maximum Operating Temperature: 113°F (45°C)
  • Maximum Operating Pressure: 100 PSI
  • Maximum Feed Water Turbidity: 1 NTU
  • Maximum Feed Sit Density Index (SDI): 5 SDI
  • Chlorine Tolerance: <0 PPM
  • Dimensions (H x W): 12" x 2.125"
  • Weight: 0.525 lbs
More Information
Model Number HL22121
Brand Oceanic Water Systems
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