FREE SHIPPING in the Continental U.S. ECCO LINE SUMPS are in-stock and ready to ship with no lead time. The ECCO Line Sumps are designed to be the last sump you’ll ever buy — feature-rich, modular, and built to grow with you as your system and the hobby evolve. Thoughtful engineering allows the ECCO design to function effectively as either a Berlin-style or Triton-style sump, giving you flexibility in filtration methodology from day one. The ECCO-4415 Rollermat Sump is a high-capacity, roller-ready model engineered for reef and saltwater systems that demand performance, flexibility, and clean organization. Constructed with robust 3/8″ thick acrylic on the top rim and sides to prevent warping, it features a professional modular layout with dedicated chambers for roller filtration, protein skimming, refugium, and return flow, enabling efficient staged filtration and quiet operation. Designed to support major roller filtration systems — including Clarisea SK-3000 & SK-5000 Gen 3, Smarter Reefs AIO units, and the Red Sea ReefMat 500 (choose 18″ models for ReefMat 1200 compatibility) - the ECCO-4415 is built for long-term adaptability. Advanced features include an optional filter sock plate for mechanical filtration choice, adjustable water height, silent submerged inlet, removable bubble trap, swappable and expandable bulkhead plates, dual heater holders, and integrated probe and dosing ports, making upgrades and customization simple. The ECCO-4415 Rollermat Sump combines minimalist aesthetics with serious filtration capability - start smart, finish strong, and give your reef everything it needs to thrive. Rollermat sold separately FEATURES: Sleek black or white body with colored accents, durable acrylic construction 3/8″ thick top rim and sides for added strength and warp resistance High-capacity, roller-ready sump designed for reef and saltwater systems Modular layout with dedicated chambers for roller filtration, skimmer, refugium, and return Compatible with major rollermat systems (sold separately) Adjustable water height for flexible equipment tuning Submerged inlet design for quiet, efficient operation Optional dual 4″ filter sock holders for mechanical filtration flexibility Original removable bubble trap design allows operation with or without the bubble trap, increasing usable return chamber space. Includes an adjustable wall plate and removable media tray secured with durable black nylon hardware Expandable inlet and return bulkheads support 1″ or 1.5″ plumbing configurations Integrated probe holder with rubber grommets for accurate readings Eight 5/8″ dosing line ports for optional 1/4″ push-connect fittings Cord ports with covers for clean cable management Flush drop-in polycarbonate lid (optional) Dual heater holder included QUICK SPECS: Dimensions: 44″ L × 15″ W × 15″ H Roller chamber: 10″ × 14.5″ Skimmer chamber: 11″ × 14.5″ Fuge chamber: 11″ × 14.5″ Return chamber: 10″ × 14.5″ Total volume: 40.49 gallons Adjustable water height: 6″–10″ Inlet bulkheads: (2) 1″ or 1.5″ Return bulkheads: (2) 1″ or 1.5″ Optional filter socks: (2) 4″ Dosing ports: (8) Probe holder: Yes Cord ports: Yes