You MUST match the inside and outside look (nubs/flat/fluted ribs) to your existing belts- There are different configurations based on the branding/private labeling etc; This item is made for most cleaners specifically labeled: Prowler 820/830 Wave 50; Wave 75; Wave 90 Wave 2×2 GYRO Quest Premier Apollo Apollo Plus Atlantis Discovery Nautilus Triton Triton PLUS Advantage Plus RC; Advantage Plus Pro RC Edge Explorer Evolution Saturn DX4 – 99996341-DX4; 99996376-DX4 DX5 DX6 Supreme M4 Supreme M5 Supreme M500 Liberty Oasis Z5 C3 C4 C5

Product Features

• Replace worn out tracks to keep you Dolphin working effectively
• Fits models: M200, M400, M500, DX4, DX6, Apollo, Apollo Plus, Nautilus CC Plus, Prowler 820/830
• Also fits models: Premier, Advantage Plus, DX4S, DX5S, C3, C4, Odyssey, Sigma, Oasis Z5