OP1L Certified Whole House Lead, Cyst, PFOA, and PFOS Water Filter System from RKIN

This whole house water filter system is certified in performance for removal of Lead, Cyst, PFOA, and PFOS treatment. Filters sediment, chlorine, and other disinfectant by-products.



Product Description

Whole House Lead, Cyst, PFOA, and PFOS Water Filter System Features

  • Certified performance for Lead, Cyst, PFOA, and PFOS treatment.
  • Filters sediment, chlorine, and other disinfectant by-products.
  • Easy to replace filters – no tools required.
  • Lifetime Warranty on Tanks and Parts*.
  • Free Shipping within the continental US.
  • US-based Technical Support.
  • Detailed, easy-to-follow, step-by-step instructions for installation and filter replacements.

Lifetime Warranty included on Tanks and Parts. Free shipping on warranty replacements.

The Electronic and Mechanical Control Valves are warrantied for 7 years.

Lead in the water supply

Eighteen million Americans live in areas where the water quality is below the standards put forth by law. According to a new report by CNN, hardly anything is being done to correct the issue.Children affected by lead poisoning can have learning and behavioral problems, hyperactivity, slow growth, and hearing loss. Symptoms like head and stomach aches, fatigue, and low iron deficiencies are often mistaken for other illnesses. The only way to properly diagnose lead poisoning is through a blood test.According to The American Academy of Pediatrics, there are no effective medical treatments for lead poisoning and that prevention of exposure is critical. Moreover, the U.S. Council Of Environmental Quality states that the risk of developing cancer is 93% higher in people who drink or are otherwise exposed to chlorinated water. Chlorine is a potential health hazard to both children and adults.

How Lead Affects Adults

There is no safe level of lead for the human body, and unlike other metals, it has no useful biological function. Even low concentrations of lead in the water can cause a significant increase in blood lead levels, and any damage is irreversible.

How Lead Affects Children

Lead is a potent neurotoxin, and it has significant effects on childhood health and development. The Centers for Disease Control and Prevention states that lead exposure can affect nearly every system in a child’s body, inhibiting the growth of both physical and mental abilities.

What are PFOS and PFOA?

PFOS and PFOA are human-made compounds that do not occur naturally in the environment. They are fluorinated compounds that repel oil and water. PFOS and PFOA are used in a variety of industrial and consumer products, such as carpet and clothing treatments and firefighting foams. PFOS and PFOA are the two PFASs that are being produced in the largest amounts within the United States. They are extremely persistent in the environment and are resistant to most chemicals and microbial conventional treatment technologies. They are known to bioaccumulate in humans and wildlife.

How do you get exposed to PFOS and PFOA?

PFOS and PFOA are readily absorbed through oral exposure. Potential ways of exposure include ingestion of food and water, use of consumer products or inhalation of particulate matter containing PFAS. PFOA and PFOS have been found in drinking water supplies, typically associated with industrial use, manufacturing locations, or disposal. The EPA has not issued a Maximum Contaminant Level (MCL) for drinking water.

Need Help Choosing a Whole House Water Treatment System?

Schedule a call to understand the the various whole house water treatment options available and get recommendations on what is best suited for your household needs. Schedule a call for a date and time convenient for you. Call 717-869-6968

What are the health effects of PFOS and PFOA?

Human Epidemiological studies found links between PFOA exposure and high cholesterol, increased liver enzymes, thyroid disorders, pregnancy-induced hypertension, decreased vaccination response, preeclampsia, and cancer. Human epidemiological research found associations between PFOS exposure and high cholesterol and adverse reproductive and developmental effects.

OP1L Lead and PFAS Filter how it works binders

Soluble/Ionic lead

Invisible, odorless, and tasteless, soluble/ionic lead requires a chemical removal process to be eliminated from the water.

RKIN binders produce a chemical reaction with soluble lead, which creates an ionic bond, kinetically removing lead from the water.

OP1L Lead and PFAS Filter how it works 5 micron filtration level

What does this Water Filter System remove?

Particulate lead

Granular and similar in size to tiny grains of sand, particulate lead is often a result of lead pipe corrosion and needs to be physically removed from the water.

RKIN’s lead filter works at a 0.5-micron filtration level and is specifically engineered to remove lead particles from the water physically.

Eliminates 99.95% of Lead

The RKIN Whole House Lead Filter effectively removes both particulate and soluble lead from your water. When service lines that contain lead corrode, lead can enter into your water supply and contaminate your drinking water. This situation becomes more likely in areas where the water has low mineral content or high acidity, which corrodes fixtures and pipes.

Eliminates PFOA and PFOS

Our RKIN Whole House Lead Filtration system effectively removes chemicals such as, PFOA/PFOS at the entry point of the water supply of your home, business or restaurant. The chemicals are bio-permanent, are resistant to direct oxidation, and do not break down naturally in the environment or the human body. Studies suggest that exposure to the chemicals may lead to cancer.

Removes Giardia and Crypto

The RKIN Whole House Lead Filtration system removes >99.95% of Giardia & Cryptosporidium. These waterborne parasites, common in drinking and recreational waters, can cause diarrheal disease, nausea and stomach cramps. Microbial Cysts are very resistant to chlorine-based disinfectants, so they must be filtered out of the water supply.

Removes Chlorine and Chloramine

Our RKIN Whole House Lead Filtration system removes >99.95% of Chlorine & Chloramine. These disinfectants in the water, added during the municipal water treatment process, can have adverse effects on your health. The most harmful exposure is through inhalation and skin absorption of steam in a shower.

  • OP1L Lead and PFAS Filter FIlter replacement notification 1
  • OP1L Lead and PFAS Filter FIlter replacement notification 2
  • OP1L Lead and PFAS Filter FIlter replacement notification 3
  • 1. Press the red pressure relief valve

  • 2. Pull snap-ring


    Whole House Lead, Cyst, PFOA, and PFOS FilterRKIN Water System
    System OP1L
    Bathrooms 1-3
    Rated Filter Capacity 100K Gallons
    Tank Width 8″
    Tank Height With Head 40″
    Connection Size 1″
    Flow Rate 4.52 GPM / 8 GPM Peak
    Filtration Level 0.5 Microns
    Lead Filtration Performance 99.62% Lead Reduction
    PFOA/PFOS Filtration Performance 97.9% PFOA/PFOS Reduction
    Chlorine Filtration Performance >90% Chlorine Reduction
    Chloramine Filtration Performance >85% Chloramine Reduction
    Operating Temperatures Operating Pressure pH Range
    36°F-120°F 25-80 PSI 6.5-10
    Salt-Based vs Salt-FreeRKIN Water Softener Comparison
    Water Softener Salt-Based Onlisoft Salt-Free
    Salt replenishment is required Yes No
    Drain is required Yes No
    Electric outlet is required Yes No
    Metered Operation for Water and Salt Efficiency Yes Not Applicable
    Bluetooth and Mobile App Yes Not Applicable
    Bluetooth can be disabled Yes Not Applicable
    Acid or any other chemicals added No No
    “Soft” feeling water Yes No
    Hardness removed from the water Yes No, it’s neutralized via Seed Assisted Crystallization
    Prevents hardness build-up Yes Yes

Additional Information

Weight N/A
Water System Option:

OP1L and Salt-Based Softener, OP1L and Salt-Free Softener, OP1L Water Filter



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In our ongoing efforts to lower our carbon footprint we are moving a large portion of our online catalog to ship directly from the vendor. All this means is that your order may arrive at different times from different places. However, rest assured you will still get all the Good Stuff you know and love!

If you have ANY questions about your order or this product, do not hesitate to reach out to us at 717-869-6968. Thanks!