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Nature Dimensions

[PREORDER] N-Clear M Fleece Roller Filter (30–120 Gallons)

[PREORDER] N-Clear M Fleece Roller Filter (30–120 Gallons)

Regular price $199.99 USD
Regular price $219.99 USD Sale price $199.99 USD
Sale Sold out
Option

Early Bird version now open for preorder. Ships by 02/28/2026.

The Early Bird version is offered at up to $70 off for customers who would like to receive the N-Clear M Filter early.

Please note the following before purchasing:

  • Minor changes may still be made to the final retail version.
  • The user manual and setup guide may be limited at this stage.

We will work closely with you to ensure your satisfaction. If the product does not work with your tank or does not meet expectations, we will provide a refund or replacement.

This patent-pending automatic filter fits most 4" filter sock sumps and many popular AIO systems. This automated, high-efficiency filtration system helps keep your water crystal clear with minimal effort. Free N-Neon 3D fluorescent stickers included.

Subscribe & Save 20% on Fleece Rolls

  • Monthly or quarterly auto-delivery so you never run out of fleece rolls
  • Lifetime warranty on your N-Clear device
  • 20% discount on every fleece roll

Key Features

  • Automatic Roller Filtration
    High-density fleece advances automatically when clogged, providing continuous mechanical filtration with no manual intervention.
  • Industry-Leading Compatibility
    Patent-pending fitting system designed to work with most 4" filter sock systems, with no modifications required.
  • Flexible Adapter Support
    With N-Fit M adapters, also compatible with many systems with filter chamber openings larger than 4" × 3.25":
    • 7" × 4.5" rectangular filter sock systems
    • Many AIO systems
    • See the full list in the table below
  • High Flow Rate
    Rated at 800 GPH in single mode or up to 1600 GPH in dual mode, suitable for tanks up to 120 gallons.
  • Dual-Mode Support
    Allows two filters to operate synchronously using a single controller, ideal for multi-filter-sock sump setups.
  • Sensor-Based and Timer Modes
    Supports sensor-based mode and experimental timer mode.
    Sensor-based mode advances fleece in response to real water level changes.
    Experimental timer mode advances fleece on a fixed schedule without sensor input.
  • Plug and Play
    Fully pre-assembled out of the box. Simply plug in a few connectors and start running within minutes.
  • EasyThread Fleece Installation
    Innovative EasyThread installation method enables fast, clean fleece loading with minimal handling, making replacement simple and frustration-free.
  • Freshwater and Saltwater Ready
    Designed for reliable operation in both freshwater and marine environments.
  • FDA Food-Grade Fleece Rolls
    First in the industry. The fleece is made from food-grade material and independently tested by a certified third-party lab to meet U.S. FDA food-contact standards (21 CFR 177.1630).

Note:

  1. Minimum required clearance above the filter sock plate: 4" × 3.5" x 9.8" (102 mm × 90 mm × 250 mm). Please make sure there are no cables, pipes, or valves interfering with the clearance above the filter sock opening within this required space.
  2. The extension filter must be connected to a main filter. It does not include a power adapter, controller, or sensor. A dual-link cable is included.

User Manual

Click here to learn more about the details.

Technical Specifications

Supported Tanks

Fits most 30–120G tanks with minimum filter chamber clearance: 4" × 3.5" x 7" (102 mm × 90 mm × 180 mm)

4" filter sock sump systems. No adapter needed.

7" × 4.5" rectangle filter sock systems. N-Fit M adapter needed

Innovative Marine 30/40/50. N-Fit M adapter needed

Waterbox 65.4.  N-Fit M adapter needed

Tideline 31/47/62.  N-Fit M adapter needed

If your tank isn’t on the list but has a filter sock opening larger than 4" × 3.5", feel free to reach out at support@naturedimensions.com. We’re constantly expanding our adapter lineup to support more tank models.

Max Flow Rate 800 GPH (main), up to 1600 GPH (main + extension)
Dual Filter Support Yes — one controller supports two filters running in sync; ideal for dual filter chambers or dual filter socks.
Filter Dimensions Footprint: 4" × 3.5" (102 mm × 90 mm)
Height (excluding fleece): 15.75" (400 mm)
Minimum required clearance above the filter sock plate: 4" × 3.5" x 9.8" (115 mm × 115 mm × 250 mm)
Fleece Roll Dimensions Width: 2.4" (61 mm)
Length: 82 ft per roll
Fleece Roll Duration Typically 3–6 weeks per roll, depending on tank size, bioload, and flow rate
Operating Voltage 12V UL-certified power supply
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