STAGE 3 - 1x Carbon GAC Post Filter (Q5633) - Replace every 6-12 months or as needed
O-RINGS - FREE Replacement O-rings for Filter Heads (3x H-118 and 3x H-011)
We offertwo replacement filter kitsso you can get exactly what you need — and avoid paying for filters you don’t.
Year 1 Kit found on this page (Includes RO Membrane): Ideal for yourfirst full replacement, this kit includesall filters plus the RO membrane, which typically lasts up to24 months.
Year 2 Kit (Without RO Membrane): After the first year, you only need to replace thepre- and post-filters, since theRO membrane is still good for another year. This kit helps yousave moneywhile keeping your system performing like new.
*Filters may need to be replaced more often than indicated, depending on water contaminant levels and volume of water being treated.
Filters do not work! No response from the 24/7 customer care :(
"We purchased these filters for the second time but they do not work. We tried everything we could…Our water is testing the same as tap water! We reached out to ESP…no response. We are not happy, we feel scammed."
— Margaret B. (1/5)
Great service and Filter
"I love the good service and the fair price on filters!"
— Bryce L. (5/5)
Product what I need
"This was exactly what I need, install and working well."
— Mr N. (5/5)
The filters work perfectly
"The filters work perfectly"
— Eric C. (5/5)
Wrong filters
"Sent wrong filters for 2nd time. Even after giving them the numbers I needed."
— Mary K. (1/5)
I appreciate the ability to
"I appreciate the ability to purchase these products in "kit" form - and at the price point with free delivery. I've had this system in two different residences and will have it in the next if I should move again!"
— Edward H. (5/5)
Good products, knowledgeable super
"Good products, knowledgeable super"
— John G. (5/5)
Replacement filters
"So easy to replace and no mess to clean up. I have had my RO system for more than 15 years and it is easy to maintain with the once a year filter kits. Great product and great price and provides quality water for drinking, cooking and icemakers."
— Ron H. (5/5)
Great product
"Great product and easy to install. The price is right as compared to similar products."
— James N. (5/5)
Awesome product
"I have had my ESP Purtwist system for at least 12 years. These filter replacement kits make filter change easy and in less than15 minutes."
Filters do not work! No response from the 24/7 customer care :(
"We purchased these filters for the second time but they do not work. We tried everything we could…Our water is testing the same as tap water! We reached out to ESP…no response. We are not happy, we feel scammed."
— Margaret B. (1/5)
Great service and Filter
"I love the good service and the fair price on filters!"
— Bryce L. (5/5)
Product what I need
"This was exactly what I need, install and working well."
— Mr N. (5/5)
The filters work perfectly
"The filters work perfectly"
— Eric C. (5/5)
Wrong filters
"Sent wrong filters for 2nd time. Even after giving them the numbers I needed."
— Mary K. (1/5)
I appreciate the ability to
"I appreciate the ability to purchase these products in "kit" form - and at the price point with free delivery. I've had this system in two different residences and will have it in the next if I should move again!"
— Edward H. (5/5)
Good products, knowledgeable super
"Good products, knowledgeable super"
— John G. (5/5)
Replacement filters
"So easy to replace and no mess to clean up. I have had my RO system for more than 15 years and it is easy to maintain with the once a year filter kits. Great product and great price and provides quality water for drinking, cooking and icemakers."
— Ron H. (5/5)
Great product
"Great product and easy to install. The price is right as compared to similar products."
— James N. (5/5)
Awesome product
"I have had my ESP Purtwist system for at least 12 years. These filter replacement kits make filter change easy and in less than15 minutes."
— Ron H. (5/5)
Q&A
PuROTwist 3000 RO Filter Replacement Kit with 50 GPD Membrane