HAILEA BT1000 filter replacement cartridge (2sets per box)
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$5.00
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Features:- Includes 2 x Carbon cartridge and 2 x Coarse foam block- Replacement pack with special structure active carbon box and coarse foam is convenient and suitable for cultivating fine nitrobacteria and cleaning water- Refillable CartridgeFor Hailea internal filter BTP1000Size:2pcs