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ORIGINAL Watts Premier (105331) RO PURE (RO-4) MEMBRANE

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Product details

Management number 218578657 Release Date 2026/05/03 List Price US$25.73 Model Number 218578657
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Product Description The Watts Premier RO Pure 50 GPD Membrane is an essential component designed specifically for under sink RO Pure (WP531411, WP531407) and Zero/Pure Plus systems (WP531517, WP531417), providing effective filtration for your reverse osmosis system. This package includes one 50 GPD (gallons per day) Membrane (WP105331), which is proficient in significantly reducing total dissolved solids (TDS) and various impurities, effectively removing 99.95% of cysts like, safeguarding your drinking water from common harmful waterborne chemicals.Tested to meet the NSF/ANSI 42 standard for chlorine reduction, this membrane ensures your water not only tastes better but is also free from unpleasant odors associated with chlorine. The 11-inch filter is easily identifiable by its green label and cap, distinguishing it from other filters in the Watts Premier RO system range, thus simplifying maintenance and replacement processes.A standout feature of this membrane is its push-button release mechanism, allowing for hassle-free replacement without the need to shut off the water source. This design innovation ensures that changing the filter is quick and straightforward, requiring no special tools. Simply press the button to release the old membrane and insert the new one.Constructed from high-quality materials, the Watts Premier RO Pure 50 GPD Membrane guarantees long-lasting durability. Filter life may vary based upon local water conditions or use patterns, but we recommend replacing the membrane filter every 2 to 5 years.Please note this kit will NOT fit the Watts 1/4 Turn Kwik-Change RO System. From the Manufacturer This 50-Gallon per day semi permeable membrane will effectively reduce TDS (total dissolved solids), Sodium and a wide range of contaminants such as Lead, Arsenic, Perchlorate, Chromium, Copper and Radium. It will also remove over 99.95-Percent cysts such as Giardia and Cryptosporidium.

  • MEMBRANE FILTER REPLACEMENT: Designed for your under sink RO Pure (WP531411, WP531407) or Zero/Pure Plus (WP531517, WP531417), the Watts Premier RO Pure 50 GPD Membrane is the work horse filter of your reverse osmosis system. Please note this product will not fit the Watts 1/4 Turn Kwik-Change RO System.
  • HIGHLY EFFECTIVE FILTRATION: Includes one 50 GDP Membrane (WP105331) for effectively reducing TDS and a wide range of impurities, including s 99.95% of cysts. It has also been tested against standard NSF/ANSI 42 for chlorine reduction.
  • SMART DESIGN: This 11-inch filter has a green label and cap to help differentiate it from other filters in the Watts Premier RO system family of filters. It also features a push button release that allows for hassle-free replacement without shutting off the water source. Easily change out with a quick push of a button - no special tools required!
  • QUALITY CONSTRUCTION: This durable filter is crafted from high-quality materials for maximum filtration. Filter life may vary based upon local water conditions or use patterns, but we recommend replacing the membrane filter every 2 to 5 years.
  • THE PREMIER DIFFERENCE: Since our founding in 1989, Premier has been dedicated to the design, development, and marketing of high-quality water filtration systems that exceed industry standards. Following our Watts Water Technologies in 2001, our audience and influence have only expanded, solidifying Watts Premier as a trusted leader in the industry.
UPC 783583786386 791769420566 099351153312
Set Name Membrane Only (2-5 yr replacement)
Brand Name Watts Premier
Unit Count 1.0 Count
Manufacturer Watts
Model Number WP105331
Material Type Carbon Fiber
Item Type Name Reverse Osmosis Filtration System Water Filter Replacement Cartridge
Number of Items 1
Product Benefits Reduces odor and harmful chemicals in water by up to 99.8%
Included Components Membrane
Manufacturer Part Number 105331-G
Item Dimensions D x W x H 3"D x 11"W x 3"H
External Testing Certification ANSI, NSF
Global Trade Identification Number 00783583786386
EU Spare Part Availability Duration 2 Years

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