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SunSun JS Three-in-One Top Filter

SunSun · Top filter

SunSun JS Three-in-One Top Filter

A rim-mounted top filter box with its own pump, whose support arms extend to fit different tank widths. Two sizes, 350 and 650 L/h.

Updated

350–650 L/h2 models

Will it suit my tank?

litres

Best for

Small to mid fish tanks that want easy-access top filtration.

Worth knowing

Like any trickle filter, it drives off CO2 and splashes more than a canister.

What stands out

  • 350 or 650 L/h
  • Adjustable arms (24 to 41 cm, or 41 to 61 cm)
  • Pump included
  • Filter box sold separately as JS-400B/600B

Models and specs

ModelFlowPowerMax headDimensions (L × W × H)Cable
JS-400350 L/h6 W0.8 m19 × 9.5 × 9 cm1.4m
JS-600650 L/h12 W1.2 m34 × 10.8 × 10 cm1.4m
Brand
SunSun
Box-only versions
JS-400B and JS-600B

Figures from the maker's published specifications. Makers revise products, so check the current figures before buying. Photos supplied by the brand or its distributor.

Frequently asked questions

Quick answers about the SunSun JS Three-in-One Top Filter, drawn from its specs.

What size tank is the SunSun JS Three-in-One Top Filter good for?

Using the 5 to 12 times turnover rule for planted tanks: JS-400 (350 L/h, suits roughly 29–70 L); JS-600 (650 L/h, suits roughly 54–130 L). Real flow with media and hoses is lower than the rated figure, so pick the bigger model if you are between sizes.

Who is the SunSun JS Three-in-One Top Filter best for?

Small to mid fish tanks that want easy-access top filtration.

Is there anything to watch out for with the SunSun JS Three-in-One Top Filter?

Like any trickle filter, it drives off CO2 and splashes more than a canister.

What are the alternatives to the SunSun JS Three-in-One Top Filter?

Other filters worth comparing: Dophin Power Head Top Filter, SunSun AF-260 Top Filter, Boyu DGN-410 / 460 / 520 Canister Filter. Add any of them to the compare table to see the specs side by side.