Great for , Caterers, Campers, And anyone that cooks on the grill/has cookouts. Built in safety feature that will ensure you -fill your smaller tank.This adapter will allow you to use a small 1 LB cylinder with your standard BBQ Grill. Feature - ColorBlack - Material: Metal. - Size: 6 x 3 x 3cm. - Built-in safety feature ensures you fill your small bottle. - Constructed solid brass construction makes it . - Fits all 1 small bottles and refill easily. - New fittings for 1/ tank. Easily pound bottles. Built Heavier, Bigger, and more safe than other familiar products on the market. - For Your Safety - This adapter automatically cuts off gas flow when pressure is reached (rubber ring allows for proper seal). - Caution: You need to turn your bulk tank upside down flows out of it. -You need to chill your empty tanks so that there is a lower vapor pressure in the empty tank than the bulk tank. -Your refilled tanks will not be totally full, but because over filling can cause them to vent gas if left in a hot place. Package list: 1 x Adapter