Flux Bottle 1L Kleur:Mammoth It’s is constructed of 3 Kleur:Everglade It’s is constructed of 3 parts: back and two front flaps secured together using high quality YKK zipper Compact size and rugged design make the M51 Tactical PTT a fine addition to communication sets in the field Hydrapak is a US based company that deals in the development of hydration systems cleaning kits