Replacement Filters & Water Treatment Parts
Shop filters, replacement parts, and water treatment supplies from Mermaid Water & Plumbing.
Shop by Category
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Kinetico Prefilters
Replacement Filters for your Kinetico 10" or 16" Superkit Pre-filter Housing. Disposable...
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Kinetico Parts
Kinetico Filter Wrenches / Faucets / K5 Sanitization Kits *IMPORTANT Kinetico Parts...
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Kinetico K5 Reverse Osmosis Drinking Water Filters for RO
Replacement Filters for Kinetico K5 Reverse Osmosis Drinking Water Station. Filters are...
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UV Replacement Parts
*If you have not purchased your UV bulbs or parts from us...
How We Can Help
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Find the Right Product
Ask About a ProductNot sure which filter, gasket, housing, or replacement part fits your system? Send us your product details and our team can help point you in the right direction.
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Water Testing & Recommendations
Schedule Water TestIf you are unsure what your water needs, Mermaid Water & Plumbing can help with water testing and recommend the best solution for your home.
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Installation & Service
Visit Main WebsiteNeed more than a replacement part? Our team provides water treatment and plumbing services across Northern Virginia.
Need Help Finding the Right Part?
Not sure which filter or part fits your system? Contact Mermaid Water & Plumbing and our team can help you find the right product.
Not Sure What You Need? Start With Testing
The fastest way to stop guessing is to test your water. We'll check the basics—hardness, staining minerals, odor sources, and other common issues—then walk you through the results and recommend options based on your home, your budget, and your goals.
Or give us a call at (703) 686-5931 to speak with our team.
Frequently Asked Questions
Do you offer water testing and service appointments?
Yes. If you are not sure what your water needs, Mermaid Water & Plumbing can help with water testing, recommendations, installation, and service options.
Where can I get help if I am not sure what to buy?
If you are unsure which replacement filter, gasket, housing, or water treatment part you need, contact Mermaid Water & Plumbing before ordering. Our team can help you choose the right product.
Are these filters and parts compatible with major brands and systems?
Many of our replacement filters and parts are designed to work with common water treatment and filtration systems. Please check the product details before ordering, and contact Mermaid Water & Plumbing if you are unsure which part fits your system.
How do I know which filter or part I need?
The best way to find the correct filter or part is to check your system model number, part number, size, or brand. If you are not sure, we recommend starting with a water test so we can understand your water quality and guide you to the right solution. Contact our team and we can help point you in the right direction.
Can I return a filter or part if it does not fit?
Return options may depend on the product condition and order details. Please contact Mermaid Water & Plumbing before returning an item so we can review the issue and help with the next steps.
What should I do if my order arrives damaged or missing parts?
If your order arrives damaged or missing parts, please contact us as soon as possible. Include your order details and photos of the damaged item so our team can help resolve the issue.
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