Maxspect Nano-Tech Bio-Spheres Holder (3x3 Pegs) - Reef Safe PETG. Perfect Fit for Maxspect Nano-Tech Bio-Spheres: Custom-designed holder that fits your bio-spheres perfectly for a secure hold. 3x3 Peg Design: The holder features 9 pegs in a 3x3 pattern for optimal organization and stability.
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