Umarex Big Blast Target Inflator Caps - 2pk
Fits all cola bottles (except 3-liter) and water bottles that have tall colored caps, i.e. Dasani, Aquafina, Evian, etc. Fill bottle with a bike pump Uses compressed air for a sonic boom For use with firearms, bows, dart guns, sling shots and airguns Reusable premium rubber valve installed in a custom designed heavy duty cap Includes 2 Caps