Replacement bladders snap-in and require no gluing. Use SMALL for: 4200 and 4204. Use MEDIUM for: 4201, 4202, 4210, 4213 and 4214. Use LARGE for: 4205, 4207, 4208 and 4212. Use DOUBLE-END for: 4220.
Spotlight customer reviews:
Customer Rating: Summary: great bladder Comment: I train with Roy Jones and this bladder busts only once every five months so this bladder is really tough
