MERLIN-3038333

3038333 Merlin Reverse Osmosis Carbon Pre Filter

Name: 3038333 Merlin Reverse Osmosis Carbon Pre Filter
Brand: Merlin
SKU: MERLIN-3038333
Price: 46.28 USD
Availability: InStock
Rating: 5.0 (1 reviews)

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$46.28

Price Per Item
Single	$46.28
2 PACK	$44.89
3 PACK	$43.50
4 PACK	$42.12
6 PACK	$40.73

Fits the GE Merlin Reverse Osmosis System

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What's this?

Estimated Shipping Date:
Between 06/06/26 and 06/11/26

Advanced fibredyne technology provides 3 times the holding capacity of a standard carbon block filter
Reduces chlorine and sediment to protect the membrane from fouling for up to 10,000 gallons of use
Only one pre-filter is needed per Merlin system
For well water systems you can use the Merlin 1266690 sediment-only pre-filter

Features & Specs

Package Qty: 1

Manufacturer: GE Osmonics

Manufacturer's Id: 3038333

UPC: 799932585937

Primary Filter Media: Activated Carbon Block

Brand: GE Merlin

Media Type: Carbon Filter

Micron Rating Nominal: 5

Flow Rate (gpm): 3.75

Instructions

Change your filters and membrane at the recommended frequency
Clean your system occasionally with a product like Sani-System SS96RO, an easy to use, pre-measured, reverse osmosis system sanitizer (purchasable separately)

Filter Life

Filter Life (gallons): 10,000

Filter Life (months): 6 months

Prop65 warning applies to products that contain carbon media. Click here for more details

WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information go to www.p65warnings.ca.gov

Frequently Asked Questions

What is the Watts Merlin Carbon Pre-Filter and which system is it compatible with?

The Watts Merlin Carbon Pre-Filter (Part #3038333) is a genuine replacement pre-filter designed specifically for the Watts Premier Merlin Reverse Osmosis System. It serves as the first stage of filtration, protecting the Merlin's RO membranes by removing chlorine, sediment, and other contaminants before they reach the membrane stage. This filter is only compatible with the Watts Merlin RO system and should not be substituted with generic alternatives.

How often should I replace the Merlin Carbon Pre-Filter?

The Watts Merlin Carbon Pre-Filter should be replaced every 12 months under normal household use conditions. Replacing this pre-filter annually is critical to protecting the Merlin RO membranes from chlorine damage, which can significantly shorten membrane life. If your incoming water has high chlorine levels or heavy sediment, you may need to replace it more frequently to maintain peak system performance.

What contaminants does the Merlin Carbon Pre-Filter reduce?

This carbon pre-filter is engineered to reduce chlorine, chlorine taste and odor, sediment, rust, and other particulates from your incoming water supply. By removing chlorine before water reaches the Merlin's reverse osmosis membranes, it extends membrane life and ensures the RO system operates at maximum efficiency. It features a 5-micron nominal rating, capturing fine sediment that could otherwise foul downstream components.

Is this an OEM Watts filter or an aftermarket replacement?

The Merlin Carbon Pre-Filter (3038333) sold here is the genuine OEM Watts Premier replacement part designed exclusively for the Merlin Reverse Osmosis System. Using the authentic Watts filter ensures proper fit, flow rate, and filtration performance specified by the system manufacturer, preserving your Merlin system's warranty and high-efficiency operation of up to 720 gallons per day.

How do I install the Merlin Carbon Pre-Filter?

Installation is straightforward: turn off the water supply to your Merlin RO system, depressurize the unit, twist off the old pre-filter cartridge, insert the new Watts Merlin Carbon Pre-Filter into the designated pre-filter housing, and twist it back into place. Turn the water supply back on and flush the system for several minutes to remove any carbon fines before using the filtered water. Always refer to your Watts Merlin owner's manual for model-specific instructions.

3038333 Merlin Reverse Osmosis Carbon Pre Filter

Frequently Asked Questions

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