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Pentair

Pentair GRO50-RC 50 GPD Reverse Osmosis Membrane Cartridge

Pentair GRO50-RC 50 GPD Reverse Osmosis Membrane Cartridge

$119.00 CAD
$119.00 CAD
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Product Details

The Pentair GRO50-RC is a high-performance 50 GPD reverse osmosis membrane cartridge designed for use in Pentair FreshPoint RO systems. It features advanced GRO™ membrane technology, delivering exceptional contaminant reduction while using less water — with a 1:1 product-to-waste ratio.

This cartridge is easy to install thanks to its click-in design and built-in check valve. Ideal for homes looking to upgrade their drinking water system, the GRO50-RC produces clean, great-tasting water by removing total dissolved solids (TDS), heavy metals, fluoride, and other harmful contaminants.

Certified to NSF/ANSI Standard 58, it provides peace of mind with verified performance and safety.

Features & Specs

✅ Features

  • Produces up to 50 gallons per day (GPD) of purified water

  • GRO™ high-efficiency membrane minimizes water waste with 1:1 recovery

  • Thin-film composite (TFC) construction for high rejection of TDS and other impurities

  • Compatible with Pentair FreshPoint GRO systems (GRO-350B, GRO-475B, GRO-575B)

  • Easy click-in installation with double O-rings and built-in check valve

  • Certified to NSF/ANSI 58 for reverse osmosis performance and material safety

🔧 Maintenance

  • Replace every 18 to 24 months, depending on water quality and usage

  • Always replace pre-filters on time to protect membrane life

  • Flush system after installation or if unused for several days

📊 Specs

  • Flow rate: 50 GPD

  • Recovery ratio: ~1:1 (50% recovery)

  • TDS rejection rate: ~96%

  • Operating pressure: 40–125 psi

  • Operating temperature: 40–120°F (4–49°C)

  • pH range: 4–11

  • Free chlorine tolerance: < 0.1 ppm (requires pre-filtering)

  • Membrane type: Thin-film composite (TFC)

  • Cartridge length: Approx. 12"

  • Certifications: NSF/ANSI Standard 58
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NSF-Certified Product Options

NSF-Certified Options Available

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We Ship Canada-Wide

Fast Shipping Across Canada

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Free System Recommendations

Free Expert Help Available

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Not Sure What System You Need?

Let us help! Tell us how many bathrooms you have and your water source (well or municipal), and we’ll recommend the perfect system.
📧 Email us at info@waterfilterscanada.ca or use the form below.

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Frequently Asked Questions

Estimate based on the size of house & number of bathrooms in your home.

1–2 bathrooms = 10 GPM. 3–4 bathrooms = 15–20 GPM.

Need help? Contact us!

Yes, VIQUA systems are designed to handle well or municipal water. For well water, consider a pre-filter to remove sediment and turbidity.

Not always. If you have municipal water, a softener may not be necessary. However, if you're on a well with hard water, adding a softener can protect your plumbing and improve system performance.

UV lamps typically need replacing once a year, even if they still light up, as their effectiveness fades over time. Filters should be changed every 6–12 months, depending on your water quality and usage.