THIS UNIT IS NEW AND HAS NEVER BEEN USED. BOX WAS OPENED AND INSPECTED WHEN FIRST PURCHASED. MAX PUMP SIZE 1800 GPH TUBING SIZE: INLET 1” ID / OUTLET 3/4” ID ADAPTERS INCLUDED IDEAL FOR SMALL TO MEDIUM H20 GARDENS, BARREL & CONTAINER PONDS. CAN ALSO BE USED AS A TRICKLE FILTER FOR SMALL WATERFALLS. FILTER INCLUDES: 2 TRAYS OF BIOLOGICAL MEDIA, 2 LAYERS OF FOAM DEBRIS FILTERS, STABILIZING FEET, FILTER BASKET COVER. LOCKING FILTER CANISTER DIMENSIONS ARE 19”x12”x12” INSTRUCTIONS INCLUDED ALSO. EVERYTHING IS INCLUDED TO RUN THE FILTER. YOU WILL NEED TO SUPPLY YOUR OWN HOSES AND HOSE CLAMPS TO CONNECT TO FILTER. SHIPPING AVAILABLE, CALL FOR PRICING. IF YOU HAVE ANY ADDITIONAL QUESTIONS CALL 208-465-3577, ASK FOR ROBERTA.