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Moen 4-Stage Under Sink Reverse Osmosis Water Filtration System N/A

Moen

4-Stage Under Sink Reverse Osmosis Water Filtration System

$455.95

F9900

Finish:

15 in stock
Inquire for Availability & Lead Times
Specifications Sheet Installation Instructions

Features & Information

Product Features
Product Features

Moen F9900 Features:

Sourced through authorized distribution channels.

  • Covered under Moen's limited lifetime manufacturer warranty
  • Provides the best quality water by reducing contaminants, including arsenic, fluoride
  • TDS, bacteria, viruses, lead, mercury, chlorine, pharmaceuticals, and more in your cold water
  • Reduces over 95% of perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) in drinking water
  • The 1:1 ratio with a high-recovery reverse osmosis membrane creates less wastewater
  • Provides up to 90 gallons per day, or the equivalent of more than 750 16.9-oz. bottles of water (results may vary based on water pressure, temperature and incoming water quality)
  • The filtration system has a 0.7 GPM (1.9 l/min) maximum flow rate at 60 psi (4.1 bar) for maintaining uninterrupted, comfortable water pressure during peak use
  • System includes four filter cartridges, a storage tank, and all parts necessary for DIY installation

Moen F9900 Specifications:

  • Height: 14-11/16"
  • Length: 17-5/16"
  • Width: 16-1/2

Warranty: All warranty claims must be made through Omega Faucet.

Special Orders

Lead times and availability fluctuate based on current production and manufacturer inventory. We recommend submitting an inquiry for real-time availability prior to placing a Special Order by using the Inquire for Availability & Lead Times link above.

Special Order items are confirmed directly with the manufacturer or authorized distributor prior to payment. Once availability, lead time, and final details are confirmed, the order is finalized via invoice or checkout confirmation.

Payment & Ordering

We offer flexible payment options based on order size and item type.

Standard Checkout
Many items can be purchased online using major credit cards, Shop Pay, Apple Pay, or Google Pay. For Special Order items, customers who proceed with standard checkout acknowledge that availability and lead times may not yet be confirmed.

Project & Special Orders
For larger project-based or Special Orders (typically $5,000+), payment is often completed via wire transfer or ACH once availability and final details are confirmed. Invoice-based payment may also be used for Special Orders requiring pre-approval.

When applicable, payment instructions are provided directly by our team.

Processing & Shipping

New In-Stock Items:
Orders typically take 2–3 business days to process and ship.

Open Box Items:
Orders placed by 2:00 PM ship same day.

Special Order Items:
Select products are offered as Special Order, providing access to exclusive finishes and limited-availability collections. Availability and delivery timelines are confirmed individually.

We’ll be happy to confirm availability and lead time prior to purchase. Please use the Inquire for Availability & Lead Times link above for personalized assistance.

Shipping Rates:
Complimentary shipping on most orders over $99. Learn More

Tax-Free Advantage 

Enjoy 100% tax-free shopping on all orders delivered outside of Alabama—a direct 6–10% savings.

Warranty

We handle all manufacturer issues, part replacements, and technical coordination on your behalf to ensure a swift, seamless resolution. Learn More

Returns & Exchanges

Returns are accepted within 30 days of delivery for items in unused, uninstalled, original condition.

Return shipping is the buyer’s responsibility. Restocking fees may apply:

  • Open-box items: 3.5% on returns over $400
  • New items: 5% standard restocking fee
  • Special Order: 18% on cancellations & returns.
  • Learn More

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