 | Author: Michael Burcke (Oklahoma.. | Dittos. Vital item for partially-used 1-pound bottles, or if you refill them from a larger tank. Most of the used/refilled bottles will have a slow leak, which is wasteful and/or dangerous in storage. These caps solve the problem. A mystery to me is why they are so hard to find at local retail shops (sporting goods, camping shops, etc.) which mostly have never even heard of these caps...? | 26 |