• S is suitable for glass thicknesses of 6 mm to 10 mm. Replacement nozzle *1
• M is suitable for glass thicknesses of 10 mm to 15 mm. Replacement nozzle *2 + stainless steel blade *1
• Made of top-grade wear-resistant plastic, high hardness, and will not scratch the tank surface.
• Streamlined concave design, low water resistance, even able to clean tank walls near the substrate.
• Features a "narrow end design": the narrow end can be used to remove stubborn algae, and the wide end is suitable for large-area cleaning.