XERO DI Tanks come standard with male garden hose threads, PVC matching head, and filled with virgin resin. These tanks can be refilled with new resin in the future! These are great for soft water areas. **To be used standing up
The 1/2 cubic foot tank is 8 inches x 24 inches and its total capacity is 4 gallons. The full cube is 8 inches x 40 inches and can hold 7.5 gallons.