This product can be used to provide overflow for the water storage tank *Color: as shown *Material: Plastic *Size: 3/4 BSPM thread and a 1 barb Package Contents: 1*Quick Connector 3/4 Barb 20mm Water Butt /rain Barrel/water Storage Tank Barbed Hosetail For Overflow Outlet3 4 Bsp Thread Requires A 26mm Hole Water Butt Faucet, Plastic Snap Fit Water Butt Rain Tap Water Tap, Hose Connector, IBC Tank Adapter, 3/4 Wire Water Butt Storage Tank Hose Fitting Parts... [COMPLETE OVERFLOW KIT] - Includes a 1-inch barb overflow connector with 3/4 inch BSPM thread, lock nut, and washer for quick, secure installation in IBC rainwater storage tanks or water butts. The product comes with a washer and lock nut. Use this set to link water butts together so they fill either sequentially or in parallel, allowing you to add capacity to your system [WIDE-RANGE COMPATIBILITY] - Designed with 3/4 inch BSPM threading and a 1-inch hose barb to fit most standard water tank and rainwater storage tank extension pipes, making connection easy. Water Butt Plastic Fitting Water Butt Tank Overflow Connector 1 Inch Pipe Fitting With Nut & Washer For Rain Barrel Storage System, 3/4" BSPM Thread To 1" Barb, Adapter For Garden Watering Equipment Water Tank Overflow [EASY TO INSTALL & USE] - Simple design enables hassle-free installation and straightforward operation, adding overflow control to your water management system with minimal effort.