Choosing the Right Automatic Fleece Roller for Your Tank

Quick answer: Choose an automatic fleece roller by filtration layout first, then confirmed physical fit, flow through the mechanical path, and service access. N-Clear Nano serves documented compact AIO rear chambers; N-Clear M serves documented larger AIO paths and standard filter-sock sump layouts.

Flow capacity and fleece-width comparison for N-Clear Nano and N-Clear M
Flow capacity and fleece width provide scale; chamber geometry and service access determine the installation path.

N-Clear Nano and N-Clear M at a glance

Specification N-Clear Nano N-Clear M
Primary application Documented compact 10–50 gallon AIO rear chambers Many 30–120 gallon systems, larger AIO paths, and standard 4-inch sock sumps
Lower-body footprint 2.56 × 2.56 inches 3.55 × 2.9 inches
Fleece width 41 mm / 1.61 inches per filter 61 mm / 2.4 inches per filter
Single capacity Up to 300 GPH Up to 800 GPH
Duo capacity Up to 600 GPH Up to 1,600 GPH
Physical interface Direct fit or model-specific N-Fit Nano adapter Patent-pending cone-style fitting or documented N-Fit M adapter
Modular layouts Single or Duo Single, Duo, or Triple

Start with the filtration layout

A compact AIO intake chamber and a standard filter-sock sump provide different mounting geometry, water routing, and working space. Match the aquarium model or sump opening to the documented direct-fit or adapter path before comparing capacity.

  1. Identify the mechanical-filtration path. Determine which chamber or sock opening receives the water to be filtered.
  2. Confirm documented compatibility. Match the aquarium model or opening to the correct direct-fit or N-Fit configuration.
  3. Determine flow through that path. Use the flow assigned to the mechanical opening rather than the return pump's maximum label value.
  4. Assess the service envelope. Include the filter body, motor, cable routing, and working space needed for roll replacement.
  5. Match the number of active paths. Select Single, Duo, or Triple according to the aquarium's documented flow distribution.
N-Clear Nano compact automatic fleece roller filter
N-Clear Nano separates the compact core filter from the model-specific AIO interface.
N-Clear M modular automatic fleece roller filter
N-Clear M uses standard sock positions and modular capacity for larger systems.

N-Clear Nano: compact AIO integration

Nano is designed for documented compact AIO applications where rear-chamber space defines the installation. The core filter remains independent of the tank-specific support and water-routing interface, allowing one platform to serve multiple aquarium families through the appropriate N-Fit Nano adapter.

N-Clear M: sock-position integration and modular capacity

M is designed for documented larger AIO paths and filter-sock sumps. Its patent-pending cone-style fitting system accommodates many standard 4-inch sock holders, while N-Fit M adapters provide defined interfaces for other supported openings.

Multiple M filters can occupy existing active sock positions and share one controller. A three-sock system can use a Triple layout, allowing filtration capacity to scale without one oversized central roller bay.

Selection rule

Choose Nano for a documented compact AIO rear-chamber application. Choose M for a documented larger AIO path, standard sock position, or modular layout across multiple filtration openings.

Use the N-Clear Nano compatibility guide or N-Clear M compatibility guide for the current model-to-adapter mapping.

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