Filters/ Royale Filters/ Royale Filters Wet Dry Filters FUSION FLOW AQUA-FUGE Reef Sumps ALPHA-FUGE Royale Protein Skimmer The Premier Line The Mid-Level Line Hang-On Nano Skimmer Overflow Boxes PRODIGY Top (Accessories) Reservoir Tanks Filter Socks The Color Series Nano Skimmer Accessories Other Accessories Overflow Box Accessories Filter Sock Holders I V Dosing Pumps Filter Sock Holder Accessories ALPHA-FUGE Accessories Reef Sump Accessories Wet Dry Filter Accessories AQUA-FUGE Accessories Skimmer Accessories Replacement Filter Pads Accessories Categories MAP Price - Product Categories MAP Price - Accessory Categories MAP Price Discontinued (Accessories) Royale 400 Royale $898.99