Waterbox 4" Filter Sock 225 Micron Felt
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Superior quality aquarium filter sock
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Keep your water crystal clear
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Effective at collecting detritus in the water column
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Eco-friendly design allows for socks to be cleaned and reused
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Available in different Micron density for specific purposes
Diameter : 4"(105mm) | Length 10" (260mm)
Fits
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AIO 35.2, 50.3, 65.4
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Marine X 60.2, 90.3, 110.4
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Pro Reef 70.2, 100.3, 130.4