+3 Umarex 88G Co2 Cylinder Removable Adaptor 2211132 C $29.99 This Umarex 88 gram Co2 Saver Adapter means no more wasted Co2 because it allows for the removal of a partially-full 88/90 gram cartridge thanks to a special valve on the adapter that automatically closes when not in an airgun. In stock Quantity: 1 Add to Bag Product Details UPC: 723364111327 Brand: Umarex Save this product for later Favorite