Ballpoint pens are produced in both disposable and refillable models. Ball-point plotter pens with refillable clear plastic ink reservoirs are available. Their fuel reservoir is disposable or refillable by exchange. The EPA suggests purchasing products with recyclable packaging, refillable bottles, and concentrated formulas. Gas cartridges for camping stoves tend to be costly and usually are not refillable. In the refillable and disposable bait stations, the active ingredient was diphacinone. The glass bottles are of a new design and are no longer refillable. In the days of refillable milk bottles, such bottles were deposit-free. Larger refillable gas cylinders come in three sizes. In 1955, the company began selling refillable lighters. The deposit for refillable bottles is not defined by law. Athletes were provided with refillable steel flasks. Because they're refillable and the battery is rechargeable, their cost of operation is lower. Early blowtorches used liquid fuel, carried in a refillable reservoir attached to the lamp. Stoker's is known for selling moist snuff in 12oz tubs with a refillable can included.