---
product_id: 446978906
title: "Pentair Pentek GRO-50EN High Efficiency Reverse Osmosis Membrane, TLC Encapsulated Replacement Membrane with Permeate Check Valve, 150 ML/Minute Drain Line Flow Control, 50 GPD Flow Rate"
brand: "pentek"
price: "¥53764"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/446978906-pentair-pentek-gro-50en-high-efficiency-reverse-osmosis-membrane-tlc
store_origin: JP
region: Japan
---

# NSF Certified 50 GPD Flow Rate Double Recovery Pentair Pentek GRO-50EN High Efficiency Reverse Osmosis Membrane, TLC Encapsulated Replacement Membrane with Permeate Check Valve, 150 ML/Minute Drain Line Flow Control, 50 GPD Flow Rate

**Brand:** pentek
**Price:** ¥53764
**Availability:** ✅ In Stock

## Summary

> 💦 Sip Smart, Live Pure!

## Quick Answers

- **What is this?** Pentair Pentek GRO-50EN High Efficiency Reverse Osmosis Membrane, TLC Encapsulated Replacement Membrane with Permeate Check Valve, 150 ML/Minute Drain Line Flow Control, 50 GPD Flow Rate by pentek
- **How much does it cost?** ¥53764 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/446978906-pentair-pentek-gro-50en-high-efficiency-reverse-osmosis-membrane-tlc)

## Best For

- pentek enthusiasts

## Why This Product

- Trusted pentek brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **High Performance:** Achieve a remarkable 96% nominal rejection rate for pure, clean water.
- • **Waste Not, Want Not:** Enjoy great-tasting water with significantly less wastewater production.
- • **Flow Control Mastery:** Equipped with a drain line flow control and permeate check valve for optimal performance.
- • **Pure Hydration Revolution:** Experience the pinnacle of water purification with our high-efficiency encapsulated membrane.
- • **Certified Quality Assurance:** NSF International tested and certified for your peace of mind.

## Overview

The Pentair Pentek GRO-50EN High Efficiency Reverse Osmosis Membrane is designed to deliver exceptional water quality with a flow rate of 50 gallons per day (189 LPD). This innovative membrane features a drain line flow control and permeate check valve, ensuring efficient operation while minimizing waste. With double the recovery rate compared to standard membranes and NSF certification, it guarantees both performance and safety for your hydration needs.

## Description

Pentair Pentek GRO-50EN High Efficiency Reverse Osmosis Membrane, TLC Encapsulated Replacement Membrane with Permeate Check Valve, 150 ML/Minute Drain Line Flow Control, 50 GPD Flow Rate

## Features

- HIGH EFFICIENCY ENCAPSULATED REVERSE OSMOSIS MEMBRANE produces great tasting, high quality water with less waste water
- INCLUDED drain line flow control and permeate check valve
- DOUBLE THE RECOVERY over standard reverse osmosis elements with comparable rejection performance
- NSF INTERNATIONAL tested and certified for your peace of mind
- 50 GALLON PER DAY (189 LPD) flow rate with 96% nominal rejection

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Pentair |
| Part Number | 4004424 |
| Product Dimensions | 12.7 x 12.7 x 30.48 cm; 640 g |
| Item model number | GRO-50EN |
| Size | 50 GPD |
| Material | Polypropylene (PP) |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Flow rate | 189 Litres Per Day |
| Batteries Required? | No |
| Item Weight | 640 g |

## Product Details

- **Material:** Polypropylene (PP)
- **Product dimensions:** 12.7D x 12.7W x 30.5H centimetres
- **External testing certification:** NSF
- **Product benefits:** Removes Impurities
- **Brand:** Pentek

## Images

![Pentair Pentek GRO-50EN High Efficiency Reverse Osmosis Membrane, TLC Encapsulated Replacement Membrane with Permeate Check Valve, 150 ML/Minute Drain Line Flow Control, 50 GPD Flow Rate - Image 1](https://m.media-amazon.com/images/I/51jIwJ0-zeS.jpg)
![Pentair Pentek GRO-50EN High Efficiency Reverse Osmosis Membrane, TLC Encapsulated Replacement Membrane with Permeate Check Valve, 150 ML/Minute Drain Line Flow Control, 50 GPD Flow Rate - Image 2](https://m.media-amazon.com/images/I/61a4c6t1tAS.jpg)

## Frequently Bought Together

- Pentair Pentek GRO-50EN High Efficiency Reverse Osmosis Membrane, TLC Encapsulated Replacement Membrane with Permeate Check Valve, 150 ML/Minute Drain Line Flow Control, 50 GPD Flow Rate
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**Shop now:** [https://www.desertcart.jp/products/446978906-pentair-pentek-gro-50en-high-efficiency-reverse-osmosis-membrane-tlc](https://www.desertcart.jp/products/446978906-pentair-pentek-gro-50en-high-efficiency-reverse-osmosis-membrane-tlc)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-05*