RKIN OP1L Lead, Cyst, PFOA, and PFOS Replacement Cartridge
- In stock, ready to ship
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RKIN replacement component
This manufacturer-designed replacement is made for the compatible RKIN system or option shown below. Confirm your model and selected variant before ordering.
Replacement cartridge for RKIN OP1L Certified Whole House Lead, Cyst, PFOA, and PFOS Treatment System.
Recommended replacement every 100,000 gallons or every 12 months, whichever comes first.Â
Please follow the filter replacement instructions available by clicking here.Â
The reset button is very small and very easy to miss; please see the photo below for the exact location of the filter reset button. Press and hold for 3 seconds to reset the filter usage notification.Â

Orders Processing: Our chosen couriers, including USPS, UPS, and FedEx, consistently facilitate the delivery of your items from our warehouse. Please note that processing times may vary depending on the brand. All orders are processed and shipped within 1 - 5 business days.
Order Confirmation: As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your card for the purchase.
30 Day Returns: If your order arrives damaged, we will exchange you a replacement. For more details, visit our Refund Policy Page.
View our Full Brand Warranty Page Here