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Red Sea Reefer 4 Inch 100 Micron Felt Fine Polish Filter Bag


Item #: RS42195

In Stock

Replacement 4" felt filter sock for Red Sea Reefer Series Aquariums

100 Micron Felt Fine Polish Filter Bag - 4" ring diameter, 10.5" Length

Manufacturer information

With a dedicated team of scientists and other professionals, Red Sea is widely recognized as a leading innovator and manufacturer of quality products for aquarium hobbyists. Red Sea constantly strives to provide hobbyists of all levels with highly effective solution-driven products designed to make your fish-keeping experience as enjoyable and successful as possible.

The embodiment of Red Sea’s dedication to providing solutions for today’s reef-keepers is its range of MAX-NANO, MAX-E & MAX-S aquariums- The only choice for true Plug & Play™ coral reef aquariums, now featuring the very latest in LED lighting technology.

For advanced reef-keepers the Red Sea REEFER provides a great platform into which you can add your own selection of hardware. With its ultra-clear glass, ATO built-in, silent flow valve and superb quality of finish the REEFER sets the standard for those wishing to customize. REEFER is also available as a Deluxe version with LED lighting included.

Red Sea’s unique Reef Care Program (RCP) provides a comprehensive, safe and easy to use program for testing and supplementing within reef aquaria, and is perfectly complemented by Red Sea’s Coral Pro & Red Sea Salt’s, which has become the salt of choice for those seeking the very highest quality water quality for their coral reef aquariums. Both salts are made using a unique natural process which delivers unrivalled homogeneity and is perfect for delicate corals. Check your individual bucket of salt’s composition using Red Sea’s innovative new “MyBatch” software.

Whatever your aquatic needs, Red Sea delivers high quality innovative, solution based products.

5 Stars


Reviewed on
April 04, 2020

No, I would not recommend this.

Clogged real quick

Pros: None

Cons: Alot


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Reviewed on
February 18, 2020

Yes, I would recommend this.

Get dirty

Pros: High quality

While they get dirty after a couple days that just tells you they are working. Bought a bunch and just throw them in the washing machine in a big batch.

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Reviewed on
February 13, 2020

Yes, I would recommend this.

Best Quality Filter Sock Out There.

Pros: Nothing will get past this filter sock!

Cons: It is a bit pricey.

I would recommend this product.

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